21167266180

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4391549}}^1$

素因数の和:4391799

約数の個数: 24

約数和(自身を含む): 44635714200

約数和(自身を除く): 23468448020

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 4391549, 8783098, 17566196, 21957745, 43915490, 87830980, 1058363309, 2116726618, 4233453236, 5291816545, 10583633090, 21167266180]

約数ペア:

[(1, 21167266180), (2, 10583633090), (4, 5291816545), (5, 4233453236), (10, 2116726618), (20, 1058363309), (241, 87830980), (482, 43915490), (964, 21957745), (1205, 17566196), (2410, 8783098), (4820, 4391549)]