21155342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21991}}^1$

素因数の和:22043

約数の個数: 16

約数和(自身を含む): 35099232

約数和(自身を除く): 13943890

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21991, 43982, 285883, 571766, 813667, 1627334, 10577671, 21155342]

約数ペア:

[(1, 21155342), (2, 10577671), (13, 1627334), (26, 813667), (37, 571766), (74, 285883), (481, 43982), (962, 21991)]