21675862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 36247680

約数和(自身を除く): 14571818

約数列:

[1, 2, 13, 26, 61, 79, 122, 158, 173, 346, 793, 1027, 1586, 2054, 2249, 4498, 4819, 9638, 10553, 13667, 21106, 27334, 62647, 125294, 137189, 177671, 274378, 355342, 833687, 1667374, 10837931, 21675862]

約数ペア:

[(1, 21675862), (2, 10837931), (13, 1667374), (26, 833687), (61, 355342), (79, 274378), (122, 177671), (158, 137189), (173, 125294), (346, 62647), (793, 27334), (1027, 21106), (1586, 13667), (2054, 10553), (2249, 9638), (4498, 4819)]