21385078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3251}}^1$

素因数の和:3300

約数の個数: 32

約数和(自身を含む): 39336192

約数和(自身を除く): 17951114

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 3251, 3289, 6502, 6578, 35761, 42263, 71522, 74773, 84526, 149546, 464893, 822503, 929786, 972049, 1645006, 1944098, 10692539, 21385078]

約数ペア:

[(1, 21385078), (2, 10692539), (11, 1944098), (13, 1645006), (22, 972049), (23, 929786), (26, 822503), (46, 464893), (143, 149546), (253, 84526), (286, 74773), (299, 71522), (506, 42263), (598, 35761), (3251, 6578), (3289, 6502)]