21731512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5743}}^1$

素因数の和:5803

約数の個数: 32

約数和(自身を含む): 45492480

約数和(自身を除く): 23760968

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5743, 11486, 22972, 45944, 63173, 126346, 246949, 252692, 493898, 505384, 987796, 1975592, 2716439, 5432878, 10865756, 21731512]

約数ペア:

[(1, 21731512), (2, 10865756), (4, 5432878), (8, 2716439), (11, 1975592), (22, 987796), (43, 505384), (44, 493898), (86, 252692), (88, 246949), (172, 126346), (344, 63173), (473, 45944), (946, 22972), (1892, 11486), (3784, 5743)]