21740522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 13882198

約数列:

[1, 2, 19, 38, 61, 83, 113, 122, 166, 226, 1159, 1577, 2147, 2318, 3154, 4294, 5063, 6893, 9379, 10126, 13786, 18758, 96197, 130967, 178201, 192394, 261934, 356402, 572119, 1144238, 10870261, 21740522]

約数ペア:

[(1, 21740522), (2, 10870261), (19, 1144238), (38, 572119), (61, 356402), (83, 261934), (113, 192394), (122, 178201), (166, 130967), (226, 96197), (1159, 18758), (1577, 13786), (2147, 10126), (2318, 9379), (3154, 6893), (4294, 5063)]