21829672

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 41983200

約数和(自身を除く): 20153528

約数列:

[1, 2, 4, 8, 67, 134, 139, 268, 278, 293, 536, 556, 586, 1112, 1172, 2344, 9313, 18626, 19631, 37252, 39262, 40727, 74504, 78524, 81454, 157048, 162908, 325816, 2728709, 5457418, 10914836, 21829672]

約数ペア:

[(1, 21829672), (2, 10914836), (4, 5457418), (8, 2728709), (67, 325816), (134, 162908), (139, 157048), (268, 81454), (278, 78524), (293, 74504), (536, 40727), (556, 39262), (586, 37252), (1112, 19631), (1172, 18626), (2344, 9313)]