21860124

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12770

約数の個数: 48

約数和(自身を含む): 59928960

約数和(自身を除く): 38068836

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12739, 25478, 38217, 50956, 76434, 140129, 152868, 165607, 280258, 331214, 420387, 496821, 560516, 662428, 840774, 993642, 1681548, 1821677, 1987284, 3643354, 5465031, 7286708, 10930062, 21860124]

約数ペア:

[(1, 21860124), (2, 10930062), (3, 7286708), (4, 5465031), (6, 3643354), (11, 1987284), (12, 1821677), (13, 1681548), (22, 993642), (26, 840774), (33, 662428), (39, 560516), (44, 496821), (52, 420387), (66, 331214), (78, 280258), (132, 165607), (143, 152868), (156, 140129), (286, 76434), (429, 50956), (572, 38217), (858, 25478), (1716, 12739)]