21170291910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:547

約数の個数: 192

約数和(自身を含む): 55935878400

約数和(自身を除く): 34765586490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 53, 57, 86, 95, 106, 114, 129, 159, 190, 215, 258, 265, 285, 318, 379, 430, 530, 570, 645, 758, 795, 817, 1007, 1137, 1290, 1590, 1634, 1849, 1895, 2014, 2274, 2279, 2451, 3021, 3698, 3790, 4085, 4558, 4902, 5035, 5547, 5685, 6042, 6837, 7201, 8170, 9245, 10070, 11094, 11370, 11395, 12255, 13674, 14402, 15105, 16297, 18490, 20087, 21603, 22790, 24510, 27735, 30210, 32594, 34185, 35131, 36005, 40174, 43206, 43301, 48891, 55470, 60261, 68370, 70262, 72010, 81485, 86602, 97782, 97997, 100435, 105393, 108015, 120522, 129903, 162970, 175655, 195994, 200870, 210786, 216030, 216505, 244455, 259806, 293991, 301305, 309643, 351310, 381653, 433010, 488910, 489985, 526965, 587982, 602610, 619286, 649515, 700771, 763306, 863741, 928929, 979970, 1053930, 1144959, 1299030, 1401542, 1469955, 1548215, 1727482, 1857858, 1861943, 1908265, 2102313, 2289918, 2591223, 2939910, 3096430, 3503855, 3723886, 3816530, 4204626, 4318705, 4644645, 5182446, 5585829, 5724795, 7007710, 8637410, 9289290, 9309715, 10511565, 11171658, 11449590, 12956115, 13314649, 16411079, 18619430, 21023130, 25912230, 26629298, 27929145, 32822158, 37140863, 39943947, 49233237, 55858290, 66573245, 74281726, 79887894, 82055395, 98466474, 111422589, 133146490, 164110790, 185704315, 199719735, 222845178, 246166185, 371408630, 399439470, 492332370, 557112945, 705676397, 1114225890, 1411352794, 2117029191, 3528381985, 4234058382, 7056763970, 10585145955, 21170291910]

約数ペア:

[(1, 21170291910), (2, 10585145955), (3, 7056763970), (5, 4234058382), (6, 3528381985), (10, 2117029191), (15, 1411352794), (19, 1114225890), (30, 705676397), (38, 557112945), (43, 492332370), (53, 399439470), (57, 371408630), (86, 246166185), (95, 222845178), (106, 199719735), (114, 185704315), (129, 164110790), (159, 133146490), (190, 111422589), (215, 98466474), (258, 82055395), (265, 79887894), (285, 74281726), (318, 66573245), (379, 55858290), (430, 49233237), (530, 39943947), (570, 37140863), (645, 32822158), (758, 27929145), (795, 26629298), (817, 25912230), (1007, 21023130), (1137, 18619430), (1290, 16411079), (1590, 13314649), (1634, 12956115), (1849, 11449590), (1895, 11171658), (2014, 10511565), (2274, 9309715), (2279, 9289290), (2451, 8637410), (3021, 7007710), (3698, 5724795), (3790, 5585829), (4085, 5182446), (4558, 4644645), (4902, 4318705), (5035, 4204626), (5547, 3816530), (5685, 3723886), (6042, 3503855), (6837, 3096430), (7201, 2939910), (8170, 2591223), (9245, 2289918), (10070, 2102313), (11094, 1908265), (11370, 1861943), (11395, 1857858), (12255, 1727482), (13674, 1548215), (14402, 1469955), (15105, 1401542), (16297, 1299030), (18490, 1144959), (20087, 1053930), (21603, 979970), (22790, 928929), (24510, 863741), (27735, 763306), (30210, 700771), (32594, 649515), (34185, 619286), (35131, 602610), (36005, 587982), (40174, 526965), (43206, 489985), (43301, 488910), (48891, 433010), (55470, 381653), (60261, 351310), (68370, 309643), (70262, 301305), (72010, 293991), (81485, 259806), (86602, 244455), (97782, 216505), (97997, 216030), (100435, 210786), (105393, 200870), (108015, 195994), (120522, 175655), (129903, 162970)]