21316060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12841}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 45306576

約数和(自身を除く): 23990516

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12841, 25682, 51364, 64205, 128410, 256820, 1065803, 2131606, 4263212, 5329015, 10658030, 21316060]

約数ペア:

[(1, 21316060), (2, 10658030), (4, 5329015), (5, 4263212), (10, 2131606), (20, 1065803), (83, 256820), (166, 128410), (332, 64205), (415, 51364), (830, 25682), (1660, 12841)]