21857610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{881}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 52581312

約数和(自身を除く): 30723702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 827, 881, 1654, 1762, 2481, 2643, 4135, 4405, 4962, 5286, 8270, 8810, 12405, 13215, 24810, 26430, 728587, 1457174, 2185761, 3642935, 4371522, 7285870, 10928805, 21857610]

約数ペア:

[(1, 21857610), (2, 10928805), (3, 7285870), (5, 4371522), (6, 3642935), (10, 2185761), (15, 1457174), (30, 728587), (827, 26430), (881, 24810), (1654, 13215), (1762, 12405), (2481, 8810), (2643, 8270), (4135, 5286), (4405, 4962)]