21531924

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 56434560

約数和(自身を除く): 34902636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 79, 113, 134, 158, 201, 226, 237, 268, 316, 339, 402, 452, 474, 603, 678, 711, 804, 948, 1017, 1206, 1356, 1422, 2034, 2412, 2844, 4068, 5293, 7571, 8927, 10586, 15142, 15879, 17854, 21172, 22713, 26781, 30284, 31758, 35708, 45426, 47637, 53562, 63516, 68139, 80343, 90852, 95274, 107124, 136278, 160686, 190548, 272556, 321372, 598109, 1196218, 1794327, 2392436, 3588654, 5382981, 7177308, 10765962, 21531924]

約数ペア:

[(1, 21531924), (2, 10765962), (3, 7177308), (4, 5382981), (6, 3588654), (9, 2392436), (12, 1794327), (18, 1196218), (36, 598109), (67, 321372), (79, 272556), (113, 190548), (134, 160686), (158, 136278), (201, 107124), (226, 95274), (237, 90852), (268, 80343), (316, 68139), (339, 63516), (402, 53562), (452, 47637), (474, 45426), (603, 35708), (678, 31758), (711, 30284), (804, 26781), (948, 22713), (1017, 21172), (1206, 17854), (1356, 15879), (1422, 15142), (2034, 10586), (2412, 8927), (2844, 7571), (4068, 5293)]