21621632

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5494

約数の個数: 32

約数和(自身を含む): 44472000

約数和(自身を除く): 22850368

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5449, 10898, 21796, 43592, 87184, 168919, 174368, 337838, 348736, 675676, 697472, 1351352, 2702704, 5405408, 10810816, 21621632]

約数ペア:

[(1, 21621632), (2, 10810816), (4, 5405408), (8, 2702704), (16, 1351352), (31, 697472), (32, 675676), (62, 348736), (64, 337838), (124, 174368), (128, 168919), (248, 87184), (496, 43592), (992, 21796), (1984, 10898), (3968, 5449)]