21343948

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 38546928

約数和(自身を除く): 17202980

約数列:

[1, 2, 4, 53, 83, 106, 166, 212, 332, 1213, 2426, 4399, 4852, 8798, 17596, 64289, 100679, 128578, 201358, 257156, 402716, 5335987, 10671974, 21343948]

約数ペア:

[(1, 21343948), (2, 10671974), (4, 5335987), (53, 402716), (83, 257156), (106, 201358), (166, 128578), (212, 100679), (332, 64289), (1213, 17596), (2426, 8798), (4399, 4852)]