21477291240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178977427}}^1$

素因数の和:178977441

約数の個数: 32

約数和(自身を含む): 64431874080

約数和(自身を除く): 42954582840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178977427, 357954854, 536932281, 715909708, 894887135, 1073864562, 1431819416, 1789774270, 2147729124, 2684661405, 3579548540, 4295458248, 5369322810, 7159097080, 10738645620, 21477291240]

約数ペア:

[(1, 21477291240), (2, 10738645620), (3, 7159097080), (4, 5369322810), (5, 4295458248), (6, 3579548540), (8, 2684661405), (10, 2147729124), (12, 1789774270), (15, 1431819416), (20, 1073864562), (24, 894887135), (30, 715909708), (40, 536932281), (60, 357954854), (120, 178977427)]