21628804550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{53917}}^1$

素因数の和:54113

約数の個数: 48

約数和(自身を含む): 41157981792

約数和(自身を除く): 19529177242

約数列:

[1, 2, 5, 10, 25, 50, 71, 113, 142, 226, 355, 565, 710, 1130, 1775, 2825, 3550, 5650, 8023, 16046, 40115, 53917, 80230, 107834, 200575, 269585, 401150, 539170, 1347925, 2695850, 3828107, 6092621, 7656214, 12185242, 19140535, 30463105, 38281070, 60926210, 95702675, 152315525, 191405350, 304631050, 432576091, 865152182, 2162880455, 4325760910, 10814402275, 21628804550]

約数ペア:

[(1, 21628804550), (2, 10814402275), (5, 4325760910), (10, 2162880455), (25, 865152182), (50, 432576091), (71, 304631050), (113, 191405350), (142, 152315525), (226, 95702675), (355, 60926210), (565, 38281070), (710, 30463105), (1130, 19140535), (1775, 12185242), (2825, 7656214), (3550, 6092621), (5650, 3828107), (8023, 2695850), (16046, 1347925), (40115, 539170), (53917, 401150), (80230, 269585), (107834, 200575)]