21494746

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 18663974

約数列:

[1, 2, 7, 13, 14, 26, 89, 91, 178, 182, 623, 1157, 1246, 1327, 2314, 2654, 8099, 9289, 16198, 17251, 18578, 34502, 118103, 120757, 236206, 241514, 826721, 1535339, 1653442, 3070678, 10747373, 21494746]

約数ペア:

[(1, 21494746), (2, 10747373), (7, 3070678), (13, 1653442), (14, 1535339), (26, 826721), (89, 241514), (91, 236206), (178, 120757), (182, 118103), (623, 34502), (1157, 18578), (1246, 17251), (1327, 16198), (2314, 9289), (2654, 8099)]