21627684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 60515000

約数和(自身を除く): 38887316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1249, 1332, 1443, 1924, 2498, 2886, 3747, 4329, 4996, 5772, 7494, 8658, 11241, 14988, 16237, 17316, 22482, 32474, 44964, 46213, 48711, 64948, 92426, 97422, 138639, 146133, 184852, 194844, 277278, 292266, 415917, 554556, 584532, 600769, 831834, 1201538, 1663668, 1802307, 2403076, 3604614, 5406921, 7209228, 10813842, 21627684]

約数ペア:

[(1, 21627684), (2, 10813842), (3, 7209228), (4, 5406921), (6, 3604614), (9, 2403076), (12, 1802307), (13, 1663668), (18, 1201538), (26, 831834), (36, 600769), (37, 584532), (39, 554556), (52, 415917), (74, 292266), (78, 277278), (111, 194844), (117, 184852), (148, 146133), (156, 138639), (222, 97422), (234, 92426), (333, 64948), (444, 48711), (468, 46213), (481, 44964), (666, 32474), (962, 22482), (1249, 17316), (1332, 16237), (1443, 14988), (1924, 11241), (2498, 8658), (2886, 7494), (3747, 5772), (4329, 4996)]