21372105

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14107}}^1$

素因数の和:14216

約数の個数: 16

約数和(自身を含む): 34536384

約数和(自身を除く): 13164279

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 14107, 42321, 70535, 211605, 1424807, 4274421, 7124035, 21372105]

約数ペア:

[(1, 21372105), (3, 7124035), (5, 4274421), (15, 1424807), (101, 211605), (303, 70535), (505, 42321), (1515, 14107)]