21293078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 35868096

約数和(自身を除く): 14575018

約数列:

[1, 2, 17, 23, 34, 46, 73, 146, 373, 391, 746, 782, 1241, 1679, 2482, 3358, 6341, 8579, 12682, 17158, 27229, 28543, 54458, 57086, 145843, 291686, 462893, 626267, 925786, 1252534, 10646539, 21293078]

約数ペア:

[(1, 21293078), (2, 10646539), (17, 1252534), (23, 925786), (34, 626267), (46, 462893), (73, 291686), (146, 145843), (373, 57086), (391, 54458), (746, 28543), (782, 27229), (1241, 17158), (1679, 12682), (2482, 8579), (3358, 6341)]