21549010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307843}}^1$

素因数の和:307857

約数の個数: 16

約数和(自身を含む): 44329536

約数和(自身を除く): 22780526

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307843, 615686, 1539215, 2154901, 3078430, 4309802, 10774505, 21549010]

約数ペア:

[(1, 21549010), (2, 10774505), (5, 4309802), (7, 3078430), (10, 2154901), (14, 1539215), (35, 615686), (70, 307843)]