21412816

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 40

約数和(自身を含む): 44711424

約数和(自身を除く): 23298608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1877, 2852, 3754, 5704, 7508, 11408, 15016, 30032, 43171, 58187, 86342, 116374, 172684, 232748, 345368, 465496, 690736, 930992, 1338301, 2676602, 5353204, 10706408, 21412816]

約数ペア:

[(1, 21412816), (2, 10706408), (4, 5353204), (8, 2676602), (16, 1338301), (23, 930992), (31, 690736), (46, 465496), (62, 345368), (92, 232748), (124, 172684), (184, 116374), (248, 86342), (368, 58187), (496, 43171), (713, 30032), (1426, 15016), (1877, 11408), (2852, 7508), (3754, 5704)]