21888904

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1013}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 42770520

約数和(自身を除く): 20881616

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 292, 296, 584, 1013, 2026, 2701, 4052, 5402, 8104, 10804, 21608, 37481, 73949, 74962, 147898, 149924, 295796, 299848, 591592, 2736113, 5472226, 10944452, 21888904]

約数ペア:

[(1, 21888904), (2, 10944452), (4, 5472226), (8, 2736113), (37, 591592), (73, 299848), (74, 295796), (146, 149924), (148, 147898), (292, 74962), (296, 73949), (584, 37481), (1013, 21608), (2026, 10804), (2701, 8104), (4052, 5402)]