21448160

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1$

素因数の和:3675

約数の個数: 48

約数和(自身を含む): 52055136

約数和(自身を除く): 30606976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3623, 5920, 7246, 14492, 18115, 28984, 36230, 57968, 72460, 115936, 134051, 144920, 268102, 289840, 536204, 579680, 670255, 1072408, 1340510, 2144816, 2681020, 4289632, 5362040, 10724080, 21448160]

約数ペア:

[(1, 21448160), (2, 10724080), (4, 5362040), (5, 4289632), (8, 2681020), (10, 2144816), (16, 1340510), (20, 1072408), (32, 670255), (37, 579680), (40, 536204), (74, 289840), (80, 268102), (148, 144920), (160, 134051), (185, 115936), (296, 72460), (370, 57968), (592, 36230), (740, 28984), (1184, 18115), (1480, 14492), (2960, 7246), (3623, 5920)]