21098553706

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{40493}}^1$

素因数の和:40806

約数の個数: 32

約数和(自身を含む): 33867237888

約数和(自身を除く): 12768684182

約数列:

[1, 2, 23, 46, 47, 94, 241, 482, 1081, 2162, 5543, 11086, 11327, 22654, 40493, 80986, 260521, 521042, 931339, 1862678, 1903171, 3806342, 9758813, 19517626, 43772933, 87545866, 224452699, 448905398, 458664211, 917328422, 10549276853, 21098553706]

約数ペア:

[(1, 21098553706), (2, 10549276853), (23, 917328422), (46, 458664211), (47, 448905398), (94, 224452699), (241, 87545866), (482, 43772933), (1081, 19517626), (2162, 9758813), (5543, 3806342), (11086, 1903171), (11327, 1862678), (22654, 931339), (40493, 521042), (80986, 260521)]