21972190

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 18670370

約数列:

[1, 2, 5, 10, 59, 118, 167, 223, 295, 334, 446, 590, 835, 1115, 1670, 2230, 9853, 13157, 19706, 26314, 37241, 49265, 65785, 74482, 98530, 131570, 186205, 372410, 2197219, 4394438, 10986095, 21972190]

約数ペア:

[(1, 21972190), (2, 10986095), (5, 4394438), (10, 2197219), (59, 372410), (118, 186205), (167, 131570), (223, 98530), (295, 74482), (334, 65785), (446, 49265), (590, 37241), (835, 26314), (1115, 19706), (1670, 13157), (2230, 9853)]