21824020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13147}}^1$

素因数の和:13239

約数の個数: 24

約数和(自身を含む): 46386144

約数和(自身を除く): 24562124

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13147, 26294, 52588, 65735, 131470, 262940, 1091201, 2182402, 4364804, 5456005, 10912010, 21824020]

約数ペア:

[(1, 21824020), (2, 10912010), (4, 5456005), (5, 4364804), (10, 2182402), (20, 1091201), (83, 262940), (166, 131470), (332, 65735), (415, 52588), (830, 26294), (1660, 13147)]