21136234

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1571}}^1$

素因数の和:1642

約数の個数: 24

約数和(自身を含む): 37463904

約数和(自身を除く): 16327670

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1571, 1922, 3142, 6727, 10997, 13454, 21994, 48701, 97402, 340907, 681814, 1509731, 3019462, 10568117, 21136234]

約数ペア:

[(1, 21136234), (2, 10568117), (7, 3019462), (14, 1509731), (31, 681814), (62, 340907), (217, 97402), (434, 48701), (961, 21994), (1571, 13454), (1922, 10997), (3142, 6727)]