21982515

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 35863248

約数和(自身を除く): 13880733

約数列:

[1, 3, 5, 15, 59, 177, 295, 421, 885, 1263, 2105, 3481, 6315, 10443, 17405, 24839, 52215, 74517, 124195, 372585, 1465501, 4396503, 7327505, 21982515]

約数ペア:

[(1, 21982515), (3, 7327505), (5, 4396503), (15, 1465501), (59, 372585), (177, 124195), (295, 74517), (421, 52215), (885, 24839), (1263, 17405), (2105, 10443), (3481, 6315)]