21852090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1028

約数の個数: 96

約数和(自身を含む): 64471680

約数和(自身を除く): 42619590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 171, 190, 195, 234, 247, 285, 342, 390, 494, 570, 585, 741, 855, 983, 1170, 1235, 1482, 1710, 1966, 2223, 2470, 2949, 3705, 4446, 4915, 5898, 7410, 8847, 9830, 11115, 12779, 14745, 17694, 18677, 22230, 25558, 29490, 37354, 38337, 44235, 56031, 63895, 76674, 88470, 93385, 112062, 115011, 127790, 168093, 186770, 191685, 230022, 242801, 280155, 336186, 383370, 485602, 560310, 575055, 728403, 840465, 1150110, 1214005, 1456806, 1680930, 2185209, 2428010, 3642015, 4370418, 7284030, 10926045, 21852090]

約数ペア:

[(1, 21852090), (2, 10926045), (3, 7284030), (5, 4370418), (6, 3642015), (9, 2428010), (10, 2185209), (13, 1680930), (15, 1456806), (18, 1214005), (19, 1150110), (26, 840465), (30, 728403), (38, 575055), (39, 560310), (45, 485602), (57, 383370), (65, 336186), (78, 280155), (90, 242801), (95, 230022), (114, 191685), (117, 186770), (130, 168093), (171, 127790), (190, 115011), (195, 112062), (234, 93385), (247, 88470), (285, 76674), (342, 63895), (390, 56031), (494, 44235), (570, 38337), (585, 37354), (741, 29490), (855, 25558), (983, 22230), (1170, 18677), (1235, 17694), (1482, 14745), (1710, 12779), (1966, 11115), (2223, 9830), (2470, 8847), (2949, 7410), (3705, 5898), (4446, 4915)]