21535904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51769}}^1$

素因数の和:51792

約数の個数: 24

約数和(自身を含む): 45661140

約数和(自身を除く): 24125236

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51769, 103538, 207076, 414152, 672997, 828304, 1345994, 1656608, 2691988, 5383976, 10767952, 21535904]

約数ペア:

[(1, 21535904), (2, 10767952), (4, 5383976), (8, 2691988), (13, 1656608), (16, 1345994), (26, 828304), (32, 672997), (52, 414152), (104, 207076), (208, 103538), (416, 51769)]