21160620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9043}}^1$

素因数の和:9071

約数の個数: 72

約数和(自身を含む): 69132336

約数和(自身を除く): 47971716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9043, 18086, 27129, 36172, 45215, 54258, 81387, 90430, 108516, 117559, 135645, 162774, 180860, 235118, 271290, 325548, 352677, 406935, 470236, 542580, 587795, 705354, 813870, 1058031, 1175590, 1410708, 1627740, 1763385, 2116062, 2351180, 3526770, 4232124, 5290155, 7053540, 10580310, 21160620]

約数ペア:

[(1, 21160620), (2, 10580310), (3, 7053540), (4, 5290155), (5, 4232124), (6, 3526770), (9, 2351180), (10, 2116062), (12, 1763385), (13, 1627740), (15, 1410708), (18, 1175590), (20, 1058031), (26, 813870), (30, 705354), (36, 587795), (39, 542580), (45, 470236), (52, 406935), (60, 352677), (65, 325548), (78, 271290), (90, 235118), (117, 180860), (130, 162774), (156, 135645), (180, 117559), (195, 108516), (234, 90430), (260, 81387), (390, 54258), (468, 45215), (585, 36172), (780, 27129), (1170, 18086), (2340, 9043)]