21874736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105167}}^1$

素因数の和:105188

約数の個数: 20

約数和(自身を含む): 45642912

約数和(自身を除く): 23768176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105167, 210334, 420668, 841336, 1367171, 1682672, 2734342, 5468684, 10937368, 21874736]

約数ペア:

[(1, 21874736), (2, 10937368), (4, 5468684), (8, 2734342), (13, 1682672), (16, 1367171), (26, 841336), (52, 420668), (104, 210334), (208, 105167)]