21463216

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21991}}^1$

素因数の和:22060

約数の個数: 20

約数和(自身を含む): 42268624

約数和(自身を除く): 20805408

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21991, 43982, 87964, 175928, 351856, 1341451, 2682902, 5365804, 10731608, 21463216]

約数ペア:

[(1, 21463216), (2, 10731608), (4, 5365804), (8, 2682902), (16, 1341451), (61, 351856), (122, 175928), (244, 87964), (488, 43982), (976, 21991)]