21660928

素因数分解:

$2^8\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 43561728

約数和(自身を除く): 21900800

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 443, 764, 886, 1528, 1772, 3056, 3544, 6112, 7088, 12224, 14176, 24448, 28352, 48896, 56704, 84613, 113408, 169226, 338452, 676904, 1353808, 2707616, 5415232, 10830464, 21660928]

約数ペア:

[(1, 21660928), (2, 10830464), (4, 5415232), (8, 2707616), (16, 1353808), (32, 676904), (64, 338452), (128, 169226), (191, 113408), (256, 84613), (382, 56704), (443, 48896), (764, 28352), (886, 24448), (1528, 14176), (1772, 12224), (3056, 7088), (3544, 6112)]