21302268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7187}}^1$

素因数の和:7226

約数の個数: 48

約数和(自身を含む): 56353920

約数和(自身を除く): 35051652

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7187, 14374, 21561, 28748, 43122, 86244, 93431, 136553, 186862, 273106, 280293, 373724, 409659, 546212, 560586, 819318, 1121172, 1638636, 1775189, 3550378, 5325567, 7100756, 10651134, 21302268]

約数ペア:

[(1, 21302268), (2, 10651134), (3, 7100756), (4, 5325567), (6, 3550378), (12, 1775189), (13, 1638636), (19, 1121172), (26, 819318), (38, 560586), (39, 546212), (52, 409659), (57, 373724), (76, 280293), (78, 273106), (114, 186862), (156, 136553), (228, 93431), (247, 86244), (494, 43122), (741, 28748), (988, 21561), (1482, 14374), (2964, 7187)]