21895456144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{231277}}^1$

素因数の和:231443

約数の個数: 40

約数和(自身を含む): 43562598968

約数和(自身を除く): 21667142824

約数列:

[1, 2, 4, 8, 16, 61, 97, 122, 194, 244, 388, 488, 776, 976, 1552, 5917, 11834, 23668, 47336, 94672, 231277, 462554, 925108, 1850216, 3700432, 14107897, 22433869, 28215794, 44867738, 56431588, 89735476, 112863176, 179470952, 225726352, 358941904, 1368466009, 2736932018, 5473864036, 10947728072, 21895456144]

約数ペア:

[(1, 21895456144), (2, 10947728072), (4, 5473864036), (8, 2736932018), (16, 1368466009), (61, 358941904), (97, 225726352), (122, 179470952), (194, 112863176), (244, 89735476), (388, 56431588), (488, 44867738), (776, 28215794), (976, 22433869), (1552, 14107897), (5917, 3700432), (11834, 1850216), (23668, 925108), (47336, 462554), (94672, 231277)]