21094942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30931}}^1$

素因数の和:30975

約数の個数: 16

約数和(自身を含む): 35633664

約数和(自身を除く): 14538722

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30931, 61862, 340241, 680482, 958861, 1917722, 10547471, 21094942]

約数ペア:

[(1, 21094942), (2, 10547471), (11, 1917722), (22, 958861), (31, 680482), (62, 340241), (341, 61862), (682, 30931)]