21056996

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 38383800

約数和(自身を除く): 17326804

約数列:

[1, 2, 4, 37, 73, 74, 146, 148, 292, 1949, 2701, 3898, 5402, 7796, 10804, 72113, 142277, 144226, 284554, 288452, 569108, 5264249, 10528498, 21056996]

約数ペア:

[(1, 21056996), (2, 10528498), (4, 5264249), (37, 569108), (73, 288452), (74, 284554), (146, 144226), (148, 142277), (292, 72113), (1949, 10804), (2701, 7796), (3898, 5402)]