21840845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1741}}^1$

素因数の和:1952

約数の個数: 16

約数和(自身を含む): 28387632

約数和(自身を除く): 6546787

約数列:

[1, 5, 13, 65, 193, 965, 1741, 2509, 8705, 12545, 22633, 113165, 336013, 1680065, 4368169, 21840845]

約数ペア:

[(1, 21840845), (5, 4368169), (13, 1680065), (65, 336013), (193, 113165), (965, 22633), (1741, 12545), (2509, 8705)]