21031490865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{33289}}^1$

素因数の和:33862

約数の個数: 64

約数和(自身を含む): 42031687680

約数和(自身を除く): 21000196815

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 547, 1155, 1641, 2735, 3829, 6017, 8205, 11487, 18051, 19145, 30085, 33289, 42119, 57435, 90255, 99867, 126357, 166445, 210595, 233023, 366179, 499335, 631785, 699069, 1098537, 1165115, 1830895, 2563253, 3495345, 5492685, 7689759, 12816265, 18209083, 38448795, 54627249, 91045415, 127463581, 200299913, 273136245, 382390743, 600899739, 637317905, 1001499565, 1402099391, 1911953715, 3004498695, 4206298173, 7010496955, 21031490865]

約数ペア:

[(1, 21031490865), (3, 7010496955), (5, 4206298173), (7, 3004498695), (11, 1911953715), (15, 1402099391), (21, 1001499565), (33, 637317905), (35, 600899739), (55, 382390743), (77, 273136245), (105, 200299913), (165, 127463581), (231, 91045415), (385, 54627249), (547, 38448795), (1155, 18209083), (1641, 12816265), (2735, 7689759), (3829, 5492685), (6017, 3495345), (8205, 2563253), (11487, 1830895), (18051, 1165115), (19145, 1098537), (30085, 699069), (33289, 631785), (42119, 499335), (57435, 366179), (90255, 233023), (99867, 210595), (126357, 166445)]