21602270

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40759}}^1$

素因数の和:40819

約数の個数: 16

約数和(自身を含む): 39618720

約数和(自身を除く): 18016450

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 40759, 81518, 203795, 407590, 2160227, 4320454, 10801135, 21602270]

約数ペア:

[(1, 21602270), (2, 10801135), (5, 4320454), (10, 2160227), (53, 407590), (106, 203795), (265, 81518), (530, 40759)]