21543304

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6427}}^1$

素因数の和:6852

約数の個数: 16

約数和(自身を含む): 40496400

約数和(自身を除く): 18953096

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6427, 12854, 25708, 51416, 2692913, 5385826, 10771652, 21543304]

約数ペア:

[(1, 21543304), (2, 10771652), (4, 5385826), (8, 2692913), (419, 51416), (838, 25708), (1676, 12854), (3352, 6427)]