2141779420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9735361}}^1$

素因数の和:9735381

約数の個数: 24

約数和(自身を含む): 4906622448

約数和(自身を除く): 2764843028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9735361, 19470722, 38941444, 48676805, 97353610, 107088971, 194707220, 214177942, 428355884, 535444855, 1070889710, 2141779420]

約数ペア:

[(1, 2141779420), (2, 1070889710), (4, 535444855), (5, 428355884), (10, 214177942), (11, 194707220), (20, 107088971), (22, 97353610), (44, 48676805), (55, 38941444), (110, 19470722), (220, 9735361)]