21383492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2377}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 40549656

約数和(自身を除く): 19166164

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 2377, 4498, 4754, 8996, 9508, 30901, 61802, 123604, 411221, 822442, 1644884, 5345873, 10691746, 21383492]

約数ペア:

[(1, 21383492), (2, 10691746), (4, 5345873), (13, 1644884), (26, 822442), (52, 411221), (173, 123604), (346, 61802), (692, 30901), (2249, 9508), (2377, 8996), (4498, 4754)]