21745231871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 24345584640

約数和(自身を除く): 2600352769

約数列:

[1, 11, 61, 227, 367, 389, 671, 2497, 4037, 4279, 13847, 22387, 23729, 83309, 88303, 142763, 152317, 246257, 261019, 916399, 971333, 1570393, 5081849, 5386483, 8708543, 32407201, 55900339, 59251313, 95793973, 356479211, 1976839261, 21745231871]

約数ペア:

[(1, 21745231871), (11, 1976839261), (61, 356479211), (227, 95793973), (367, 59251313), (389, 55900339), (671, 32407201), (2497, 8708543), (4037, 5386483), (4279, 5081849), (13847, 1570393), (22387, 971333), (23729, 916399), (83309, 261019), (88303, 246257), (142763, 152317)]