21740982

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 45204480

約数和(自身を除く): 23463498

約数列:

[1, 2, 3, 6, 31, 62, 93, 179, 186, 358, 537, 653, 1074, 1306, 1959, 3918, 5549, 11098, 16647, 20243, 33294, 40486, 60729, 116887, 121458, 233774, 350661, 701322, 3623497, 7246994, 10870491, 21740982]

約数ペア:

[(1, 21740982), (2, 10870491), (3, 7246994), (6, 3623497), (31, 701322), (62, 350661), (93, 233774), (179, 121458), (186, 116887), (358, 60729), (537, 40486), (653, 33294), (1074, 20243), (1306, 16647), (1959, 11098), (3918, 5549)]