21076770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 42064350

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 286, 289, 330, 374, 390, 429, 442, 510, 561, 578, 663, 715, 858, 867, 935, 1105, 1122, 1326, 1430, 1445, 1734, 1870, 2145, 2210, 2431, 2805, 2890, 3179, 3315, 3757, 4290, 4335, 4862, 4913, 5610, 6358, 6630, 7293, 7514, 8670, 9537, 9826, 11271, 12155, 14586, 14739, 15895, 18785, 19074, 22542, 24310, 24565, 29478, 31790, 36465, 37570, 41327, 47685, 49130, 54043, 56355, 63869, 72930, 73695, 82654, 95370, 108086, 112710, 123981, 127738, 147390, 162129, 191607, 206635, 247962, 270215, 319345, 324258, 383214, 413270, 540430, 619905, 638690, 702559, 810645, 958035, 1239810, 1405118, 1621290, 1916070, 2107677, 3512795, 4215354, 7025590, 10538385, 21076770]

約数ペア:

[(1, 21076770), (2, 10538385), (3, 7025590), (5, 4215354), (6, 3512795), (10, 2107677), (11, 1916070), (13, 1621290), (15, 1405118), (17, 1239810), (22, 958035), (26, 810645), (30, 702559), (33, 638690), (34, 619905), (39, 540430), (51, 413270), (55, 383214), (65, 324258), (66, 319345), (78, 270215), (85, 247962), (102, 206635), (110, 191607), (130, 162129), (143, 147390), (165, 127738), (170, 123981), (187, 112710), (195, 108086), (221, 95370), (255, 82654), (286, 73695), (289, 72930), (330, 63869), (374, 56355), (390, 54043), (429, 49130), (442, 47685), (510, 41327), (561, 37570), (578, 36465), (663, 31790), (715, 29478), (858, 24565), (867, 24310), (935, 22542), (1105, 19074), (1122, 18785), (1326, 15895), (1430, 14739), (1445, 14586), (1734, 12155), (1870, 11271), (2145, 9826), (2210, 9537), (2431, 8670), (2805, 7514), (2890, 7293), (3179, 6630), (3315, 6358), (3757, 5610), (4290, 4913), (4335, 4862)]