21731164

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 25459364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 227, 263, 364, 454, 526, 908, 1052, 1589, 1841, 2951, 3178, 3419, 3682, 5902, 6356, 6838, 7364, 11804, 13676, 20657, 23933, 41314, 47866, 59701, 82628, 95732, 119402, 238804, 417907, 776113, 835814, 1552226, 1671628, 3104452, 5432791, 10865582, 21731164]

約数ペア:

[(1, 21731164), (2, 10865582), (4, 5432791), (7, 3104452), (13, 1671628), (14, 1552226), (26, 835814), (28, 776113), (52, 417907), (91, 238804), (182, 119402), (227, 95732), (263, 82628), (364, 59701), (454, 47866), (526, 41314), (908, 23933), (1052, 20657), (1589, 13676), (1841, 11804), (2951, 7364), (3178, 6838), (3419, 6356), (3682, 5902)]