21483765

素因数分解:

$3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{683}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 16929675

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 233, 683, 699, 1165, 2049, 2097, 3415, 3495, 6147, 6291, 10245, 10485, 18441, 30735, 31455, 92205, 159139, 477417, 795695, 1432251, 2387085, 4296753, 7161255, 21483765]

約数ペア:

[(1, 21483765), (3, 7161255), (5, 4296753), (9, 2387085), (15, 1432251), (27, 795695), (45, 477417), (135, 159139), (233, 92205), (683, 31455), (699, 30735), (1165, 18441), (2049, 10485), (2097, 10245), (3415, 6291), (3495, 6147)]