21132049246

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{908749}}^1$

素因数の和:908920

約数の個数: 32

約数和(自身を含む): 39781440000

約数和(自身を除く): 18649390754

約数列:

[1, 2, 7, 11, 14, 22, 77, 151, 154, 302, 1057, 1661, 2114, 3322, 11627, 23254, 908749, 1817498, 6361243, 9996239, 12722486, 19992478, 69973673, 137221099, 139947346, 274442198, 960547693, 1509432089, 1921095386, 3018864178, 10566024623, 21132049246]

約数ペア:

[(1, 21132049246), (2, 10566024623), (7, 3018864178), (11, 1921095386), (14, 1509432089), (22, 960547693), (77, 274442198), (151, 139947346), (154, 137221099), (302, 69973673), (1057, 19992478), (1661, 12722486), (2114, 9996239), (3322, 6361243), (11627, 1817498), (23254, 908749)]