21122010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2579}}^1$

素因数の和:2612

約数の個数: 96

約数和(自身を含む): 67616640

約数和(自身を除く): 46494630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2579, 2730, 4095, 5158, 7737, 8190, 12895, 15474, 18053, 23211, 25790, 33527, 36106, 38685, 46422, 54159, 67054, 77370, 90265, 100581, 108318, 116055, 162477, 167635, 180530, 201162, 232110, 234689, 270795, 301743, 324954, 335270, 469378, 502905, 541590, 603486, 704067, 812385, 1005810, 1173445, 1408134, 1508715, 1624770, 2112201, 2346890, 3017430, 3520335, 4224402, 7040670, 10561005, 21122010]

約数ペア:

[(1, 21122010), (2, 10561005), (3, 7040670), (5, 4224402), (6, 3520335), (7, 3017430), (9, 2346890), (10, 2112201), (13, 1624770), (14, 1508715), (15, 1408134), (18, 1173445), (21, 1005810), (26, 812385), (30, 704067), (35, 603486), (39, 541590), (42, 502905), (45, 469378), (63, 335270), (65, 324954), (70, 301743), (78, 270795), (90, 234689), (91, 232110), (105, 201162), (117, 180530), (126, 167635), (130, 162477), (182, 116055), (195, 108318), (210, 100581), (234, 90265), (273, 77370), (315, 67054), (390, 54159), (455, 46422), (546, 38685), (585, 36106), (630, 33527), (819, 25790), (910, 23211), (1170, 18053), (1365, 15474), (1638, 12895), (2579, 8190), (2730, 7737), (4095, 5158)]