21610790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1063}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19757530

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 1063, 1070, 2033, 2126, 4066, 5315, 10165, 10630, 20197, 20330, 40394, 100985, 113741, 201970, 227482, 568705, 1137410, 2161079, 4322158, 10805395, 21610790]

約数ペア:

[(1, 21610790), (2, 10805395), (5, 4322158), (10, 2161079), (19, 1137410), (38, 568705), (95, 227482), (107, 201970), (190, 113741), (214, 100985), (535, 40394), (1063, 20330), (1070, 20197), (2033, 10630), (2126, 10165), (4066, 5315)]