21284852

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1051}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 38351712

約数和(自身を除く): 17066860

約数列:

[1, 2, 4, 61, 83, 122, 166, 244, 332, 1051, 2102, 4204, 5063, 10126, 20252, 64111, 87233, 128222, 174466, 256444, 348932, 5321213, 10642426, 21284852]

約数ペア:

[(1, 21284852), (2, 10642426), (4, 5321213), (61, 348932), (83, 256444), (122, 174466), (166, 128222), (244, 87233), (332, 64111), (1051, 20252), (2102, 10126), (4204, 5063)]