21437468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2383}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 40651968

約数和(自身を除く): 19214500

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 2383, 4498, 4766, 8996, 9532, 30979, 61958, 123916, 412259, 824518, 1649036, 5359367, 10718734, 21437468]

約数ペア:

[(1, 21437468), (2, 10718734), (4, 5359367), (13, 1649036), (26, 824518), (52, 412259), (173, 123916), (346, 61958), (692, 30979), (2249, 9532), (2383, 8996), (4498, 4766)]