21512738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1699}}^1$

素因数の和:2201

約数の個数: 16

約数和(自身を含む): 34843200

約数和(自身を除く): 13330462

約数列:

[1, 2, 13, 26, 487, 974, 1699, 3398, 6331, 12662, 22087, 44174, 827413, 1654826, 10756369, 21512738]

約数ペア:

[(1, 21512738), (2, 10756369), (13, 1654826), (26, 827413), (487, 44174), (974, 22087), (1699, 12662), (3398, 6331)]