21472048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103231}}^1$

素因数の和:103252

約数の個数: 20

約数和(自身を含む): 44802688

約数和(自身を除く): 23330640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103231, 206462, 412924, 825848, 1342003, 1651696, 2684006, 5368012, 10736024, 21472048]

約数ペア:

[(1, 21472048), (2, 10736024), (4, 5368012), (8, 2684006), (13, 1651696), (16, 1342003), (26, 825848), (52, 412924), (104, 206462), (208, 103231)]