21941452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3221}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 41679792

約数和(自身を除く): 19738340

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3221, 3406, 6442, 6812, 12884, 41873, 83746, 167492, 421951, 843902, 1687804, 5485363, 10970726, 21941452]

約数ペア:

[(1, 21941452), (2, 10970726), (4, 5485363), (13, 1687804), (26, 843902), (52, 421951), (131, 167492), (262, 83746), (524, 41873), (1703, 12884), (3221, 6812), (3406, 6442)]