21371190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13441}}^1$

素因数の和:13504

約数の個数: 32

約数和(自身を含む): 52262496

約数和(自身を除く): 30891306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13441, 26882, 40323, 67205, 80646, 134410, 201615, 403230, 712373, 1424746, 2137119, 3561865, 4274238, 7123730, 10685595, 21371190]

約数ペア:

[(1, 21371190), (2, 10685595), (3, 7123730), (5, 4274238), (6, 3561865), (10, 2137119), (15, 1424746), (30, 712373), (53, 403230), (106, 201615), (159, 134410), (265, 80646), (318, 67205), (530, 40323), (795, 26882), (1590, 13441)]