21518010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5087}}^1$

素因数の和:5147

約数の個数: 48

約数和(自身を含む): 57148416

約数和(自身を除く): 35630406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 5087, 10174, 15261, 25435, 30522, 45783, 50870, 76305, 91566, 152610, 228915, 239089, 457830, 478178, 717267, 1195445, 1434534, 2151801, 2390890, 3586335, 4303602, 7172670, 10759005, 21518010]

約数ペア:

[(1, 21518010), (2, 10759005), (3, 7172670), (5, 4303602), (6, 3586335), (9, 2390890), (10, 2151801), (15, 1434534), (18, 1195445), (30, 717267), (45, 478178), (47, 457830), (90, 239089), (94, 228915), (141, 152610), (235, 91566), (282, 76305), (423, 50870), (470, 45783), (705, 30522), (846, 25435), (1410, 15261), (2115, 10174), (4230, 5087)]