21871160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23773}}^1$

素因数の和:23807

約数の個数: 32

約数和(自身を含む): 51351840

約数和(自身を除く): 29480680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23773, 47546, 95092, 118865, 190184, 237730, 475460, 546779, 950920, 1093558, 2187116, 2733895, 4374232, 5467790, 10935580, 21871160]

約数ペア:

[(1, 21871160), (2, 10935580), (4, 5467790), (5, 4374232), (8, 2733895), (10, 2187116), (20, 1093558), (23, 950920), (40, 546779), (46, 475460), (92, 237730), (115, 190184), (184, 118865), (230, 95092), (460, 47546), (920, 23773)]