21645924

素因数分解:

$2^2\times 3^1\times {\mathrm{523}}^1\times {\mathrm{3449}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 50618400

約数和(自身を除く): 28972476

約数列:

[1, 2, 3, 4, 6, 12, 523, 1046, 1569, 2092, 3138, 3449, 6276, 6898, 10347, 13796, 20694, 41388, 1803827, 3607654, 5411481, 7215308, 10822962, 21645924]

約数ペア:

[(1, 21645924), (2, 10822962), (3, 7215308), (4, 5411481), (6, 3607654), (12, 1803827), (523, 41388), (1046, 20694), (1569, 13796), (2092, 10347), (3138, 6898), (3449, 6276)]