21000902526

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{326903}}^1$

素因数の和:327037

約数の個数: 48

約数和(自身を含む): 47121250176

約数和(自身を除く): 26120347650

約数列:

[1, 2, 3, 6, 9, 18, 43, 83, 86, 129, 166, 249, 258, 387, 498, 747, 774, 1494, 3569, 7138, 10707, 21414, 32121, 64242, 326903, 653806, 980709, 1961418, 2942127, 5884254, 14056829, 27132949, 28113658, 42170487, 54265898, 81398847, 84340974, 126511461, 162797694, 244196541, 253022922, 488393082, 1166716807, 2333433614, 3500150421, 7000300842, 10500451263, 21000902526]

約数ペア:

[(1, 21000902526), (2, 10500451263), (3, 7000300842), (6, 3500150421), (9, 2333433614), (18, 1166716807), (43, 488393082), (83, 253022922), (86, 244196541), (129, 162797694), (166, 126511461), (249, 84340974), (258, 81398847), (387, 54265898), (498, 42170487), (747, 28113658), (774, 27132949), (1494, 14056829), (3569, 5884254), (7138, 2942127), (10707, 1961418), (21414, 980709), (32121, 653806), (64242, 326903)]