21823130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44537}}^1$

素因数の和:44558

約数の個数: 24

約数和(自身を含む): 45695988

約数和(自身を除く): 23872858

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44537, 89074, 222685, 311759, 445370, 623518, 1558795, 2182313, 3117590, 4364626, 10911565, 21823130]

約数ペア:

[(1, 21823130), (2, 10911565), (5, 4364626), (7, 3117590), (10, 2182313), (14, 1558795), (35, 623518), (49, 445370), (70, 311759), (98, 222685), (245, 89074), (490, 44537)]