21037080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175309}}^1$

素因数の和:175323

約数の個数: 32

約数和(自身を含む): 63111600

約数和(自身を除く): 42074520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175309, 350618, 525927, 701236, 876545, 1051854, 1402472, 1753090, 2103708, 2629635, 3506180, 4207416, 5259270, 7012360, 10518540, 21037080]

約数ペア:

[(1, 21037080), (2, 10518540), (3, 7012360), (4, 5259270), (5, 4207416), (6, 3506180), (8, 2629635), (10, 2103708), (12, 1753090), (15, 1402472), (20, 1051854), (24, 876545), (30, 701236), (40, 525927), (60, 350618), (120, 175309)]