21576030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 38143650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 809, 889, 1270, 1618, 1778, 1905, 2427, 2667, 3810, 4045, 4445, 4854, 5334, 5663, 8090, 8890, 11326, 12135, 13335, 16989, 24270, 26670, 28315, 33978, 56630, 84945, 102743, 169890, 205486, 308229, 513715, 616458, 719201, 1027430, 1438402, 1541145, 2157603, 3082290, 3596005, 4315206, 7192010, 10788015, 21576030]

約数ペア:

[(1, 21576030), (2, 10788015), (3, 7192010), (5, 4315206), (6, 3596005), (7, 3082290), (10, 2157603), (14, 1541145), (15, 1438402), (21, 1027430), (30, 719201), (35, 616458), (42, 513715), (70, 308229), (105, 205486), (127, 169890), (210, 102743), (254, 84945), (381, 56630), (635, 33978), (762, 28315), (809, 26670), (889, 24270), (1270, 16989), (1618, 13335), (1778, 12135), (1905, 11326), (2427, 8890), (2667, 8090), (3810, 5663), (4045, 5334), (4445, 4854)]