21603632

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{13109}}^1$

素因数の和:13220

約数の個数: 20

約数和(自身を含む): 42266640

約数和(自身を除く): 20663008

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13109, 26218, 52436, 104872, 209744, 1350227, 2700454, 5400908, 10801816, 21603632]

約数ペア:

[(1, 21603632), (2, 10801816), (4, 5400908), (8, 2700454), (16, 1350227), (103, 209744), (206, 104872), (412, 52436), (824, 26218), (1648, 13109)]