21000455535

素因数分解:

$3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4229699}}^1$

素因数の和:4230038

約数の個数: 16

約数和(自身を含む): 33702249600

約数和(自身を除く): 12701794065

約数列:

[1, 3, 5, 15, 331, 993, 1655, 4965, 4229699, 12689097, 21148495, 63445485, 1400030369, 4200091107, 7000151845, 21000455535]

約数ペア:

[(1, 21000455535), (3, 7000151845), (5, 4200091107), (15, 1400030369), (331, 63445485), (993, 21148495), (1655, 12689097), (4965, 4229699)]