21678702360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{486943}}^1$

素因数の和:487017

約数の個数: 128

約数和(自身を含む): 75729530880

約数和(自身を除く): 54050828520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6360, 7420, 8904, 11130, 14840, 22260, 44520, 486943, 973886, 1460829, 1947772, 2434715, 2921658, 3408601, 3895544, 4869430, 5843316, 6817202, 7304145, 9738860, 10225803, 11686632, 13634404, 14608290, 17043005, 19477720, 20451606, 25807979, 27268808, 29216580, 34086010, 40903212, 51129015, 51615958, 58433160, 68172020, 77423937, 81806424, 102258030, 103231916, 129039895, 136344040, 154847874, 180655853, 204516060, 206463832, 258079790, 309695748, 361311706, 387119685, 409032120, 516159580, 541967559, 619391496, 722623412, 774239370, 903279265, 1032319160, 1083935118, 1445246824, 1548478740, 1806558530, 2167870236, 2709837795, 3096957480, 3613117060, 4335740472, 5419675590, 7226234120, 10839351180, 21678702360]

約数ペア:

[(1, 21678702360), (2, 10839351180), (3, 7226234120), (4, 5419675590), (5, 4335740472), (6, 3613117060), (7, 3096957480), (8, 2709837795), (10, 2167870236), (12, 1806558530), (14, 1548478740), (15, 1445246824), (20, 1083935118), (21, 1032319160), (24, 903279265), (28, 774239370), (30, 722623412), (35, 619391496), (40, 541967559), (42, 516159580), (53, 409032120), (56, 387119685), (60, 361311706), (70, 309695748), (84, 258079790), (105, 206463832), (106, 204516060), (120, 180655853), (140, 154847874), (159, 136344040), (168, 129039895), (210, 103231916), (212, 102258030), (265, 81806424), (280, 77423937), (318, 68172020), (371, 58433160), (420, 51615958), (424, 51129015), (530, 40903212), (636, 34086010), (742, 29216580), (795, 27268808), (840, 25807979), (1060, 20451606), (1113, 19477720), (1272, 17043005), (1484, 14608290), (1590, 13634404), (1855, 11686632), (2120, 10225803), (2226, 9738860), (2968, 7304145), (3180, 6817202), (3710, 5843316), (4452, 4869430), (5565, 3895544), (6360, 3408601), (7420, 2921658), (8904, 2434715), (11130, 1947772), (14840, 1460829), (22260, 973886), (44520, 486943)]