21701512

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 30008888

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 49, 56, 58, 83, 92, 98, 116, 161, 166, 184, 196, 203, 232, 322, 332, 392, 406, 581, 644, 664, 667, 812, 1127, 1162, 1288, 1334, 1421, 1624, 1909, 2254, 2324, 2407, 2668, 2842, 3818, 4067, 4508, 4648, 4669, 4814, 5336, 5684, 7636, 8134, 9016, 9338, 9628, 11368, 13363, 15272, 16268, 16849, 18676, 19256, 26726, 32536, 32683, 33698, 37352, 53452, 55361, 65366, 67396, 93541, 106904, 110722, 117943, 130732, 134792, 187082, 221444, 235886, 261464, 374164, 387527, 442888, 471772, 748328, 775054, 943544, 1550108, 2712689, 3100216, 5425378, 10850756, 21701512]

約数ペア:

[(1, 21701512), (2, 10850756), (4, 5425378), (7, 3100216), (8, 2712689), (14, 1550108), (23, 943544), (28, 775054), (29, 748328), (46, 471772), (49, 442888), (56, 387527), (58, 374164), (83, 261464), (92, 235886), (98, 221444), (116, 187082), (161, 134792), (166, 130732), (184, 117943), (196, 110722), (203, 106904), (232, 93541), (322, 67396), (332, 65366), (392, 55361), (406, 53452), (581, 37352), (644, 33698), (664, 32683), (667, 32536), (812, 26726), (1127, 19256), (1162, 18676), (1288, 16849), (1334, 16268), (1421, 15272), (1624, 13363), (1909, 11368), (2254, 9628), (2324, 9338), (2407, 9016), (2668, 8134), (2842, 7636), (3818, 5684), (4067, 5336), (4508, 4814), (4648, 4669)]