21838410

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 47350710

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 43, 45, 54, 55, 57, 66, 81, 86, 90, 95, 99, 110, 114, 129, 135, 162, 165, 171, 190, 198, 209, 215, 243, 258, 270, 285, 297, 330, 342, 387, 405, 418, 430, 473, 486, 495, 513, 570, 594, 627, 645, 774, 810, 817, 855, 891, 946, 990, 1026, 1045, 1161, 1215, 1254, 1290, 1419, 1485, 1539, 1634, 1710, 1782, 1881, 1935, 2090, 2322, 2365, 2430, 2451, 2565, 2673, 2838, 2970, 3078, 3135, 3483, 3762, 3870, 4085, 4257, 4455, 4617, 4730, 4902, 5130, 5346, 5643, 5805, 6270, 6966, 7095, 7353, 7695, 8170, 8514, 8910, 8987, 9234, 9405, 10449, 11286, 11610, 12255, 12771, 13365, 14190, 14706, 15390, 16929, 17415, 17974, 18810, 20898, 21285, 22059, 23085, 24510, 25542, 26730, 26961, 28215, 33858, 34830, 36765, 38313, 42570, 44118, 44935, 46170, 50787, 52245, 53922, 56430, 63855, 66177, 73530, 76626, 80883, 84645, 89870, 101574, 104490, 110295, 114939, 127710, 132354, 134805, 161766, 169290, 191565, 198531, 220590, 229878, 242649, 253935, 269610, 330885, 383130, 397062, 404415, 485298, 507870, 574695, 661770, 727947, 808830, 992655, 1149390, 1213245, 1455894, 1985310, 2183841, 2426490, 3639735, 4367682, 7279470, 10919205, 21838410]

約数ペア:

[(1, 21838410), (2, 10919205), (3, 7279470), (5, 4367682), (6, 3639735), (9, 2426490), (10, 2183841), (11, 1985310), (15, 1455894), (18, 1213245), (19, 1149390), (22, 992655), (27, 808830), (30, 727947), (33, 661770), (38, 574695), (43, 507870), (45, 485298), (54, 404415), (55, 397062), (57, 383130), (66, 330885), (81, 269610), (86, 253935), (90, 242649), (95, 229878), (99, 220590), (110, 198531), (114, 191565), (129, 169290), (135, 161766), (162, 134805), (165, 132354), (171, 127710), (190, 114939), (198, 110295), (209, 104490), (215, 101574), (243, 89870), (258, 84645), (270, 80883), (285, 76626), (297, 73530), (330, 66177), (342, 63855), (387, 56430), (405, 53922), (418, 52245), (430, 50787), (473, 46170), (486, 44935), (495, 44118), (513, 42570), (570, 38313), (594, 36765), (627, 34830), (645, 33858), (774, 28215), (810, 26961), (817, 26730), (855, 25542), (891, 24510), (946, 23085), (990, 22059), (1026, 21285), (1045, 20898), (1161, 18810), (1215, 17974), (1254, 17415), (1290, 16929), (1419, 15390), (1485, 14706), (1539, 14190), (1634, 13365), (1710, 12771), (1782, 12255), (1881, 11610), (1935, 11286), (2090, 10449), (2322, 9405), (2365, 9234), (2430, 8987), (2451, 8910), (2565, 8514), (2673, 8170), (2838, 7695), (2970, 7353), (3078, 7095), (3135, 6966), (3483, 6270), (3762, 5805), (3870, 5643), (4085, 5346), (4257, 5130), (4455, 4902), (4617, 4730)]