21011672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2113}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 43379280

約数和(自身を除く): 22367608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2113, 2486, 4226, 4972, 8452, 9944, 16904, 23243, 46486, 92972, 185944, 238769, 477538, 955076, 1910152, 2626459, 5252918, 10505836, 21011672]

約数ペア:

[(1, 21011672), (2, 10505836), (4, 5252918), (8, 2626459), (11, 1910152), (22, 955076), (44, 477538), (88, 238769), (113, 185944), (226, 92972), (452, 46486), (904, 23243), (1243, 16904), (2113, 9944), (2486, 8452), (4226, 4972)]