21167234285355

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11519}}^1\times {\mathrm{1317271}}^1$

素因数の和:1328832

約数の個数: 48

約数和(自身を含む): 37876733706240

約数和(自身を除く): 16709499420885

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 11519, 34557, 57595, 103671, 172785, 357089, 518355, 1071267, 1317271, 1785445, 3213801, 3951813, 5356335, 6586355, 11855439, 16069005, 19759065, 40835401, 59277195, 122506203, 204177005, 367518609, 612531015, 1837593045, 15173644649, 45520933947, 75868223245, 136562801841, 227604669735, 470382984119, 682814009205, 1411148952357, 2351914920595, 4233446857071, 7055744761785, 21167234285355]

約数ペア:

[(1, 21167234285355), (3, 7055744761785), (5, 4233446857071), (9, 2351914920595), (15, 1411148952357), (31, 682814009205), (45, 470382984119), (93, 227604669735), (155, 136562801841), (279, 75868223245), (465, 45520933947), (1395, 15173644649), (11519, 1837593045), (34557, 612531015), (57595, 367518609), (103671, 204177005), (172785, 122506203), (357089, 59277195), (518355, 40835401), (1071267, 19759065), (1317271, 16069005), (1785445, 11855439), (3213801, 6586355), (3951813, 5356335)]