21897060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4397}}^1$

素因数の和:4492

約数の個数: 48

約数和(自身を含む): 62064576

約数和(自身を除く): 40167516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4397, 4980, 8794, 13191, 17588, 21985, 26382, 43970, 52764, 65955, 87940, 131910, 263820, 364951, 729902, 1094853, 1459804, 1824755, 2189706, 3649510, 4379412, 5474265, 7299020, 10948530, 21897060]

約数ペア:

[(1, 21897060), (2, 10948530), (3, 7299020), (4, 5474265), (5, 4379412), (6, 3649510), (10, 2189706), (12, 1824755), (15, 1459804), (20, 1094853), (30, 729902), (60, 364951), (83, 263820), (166, 131910), (249, 87940), (332, 65955), (415, 52764), (498, 43970), (830, 26382), (996, 21985), (1245, 17588), (1660, 13191), (2490, 8794), (4397, 4980)]