21813216

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11959}}^1$

素因数の和:11991

約数の個数: 48

約数和(自身を含む): 60278400

約数和(自身を除く): 38465184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11959, 23918, 35877, 47836, 71754, 95672, 143508, 191344, 227221, 287016, 382688, 454442, 574032, 681663, 908884, 1148064, 1363326, 1817768, 2726652, 3635536, 5453304, 7271072, 10906608, 21813216]

約数ペア:

[(1, 21813216), (2, 10906608), (3, 7271072), (4, 5453304), (6, 3635536), (8, 2726652), (12, 1817768), (16, 1363326), (19, 1148064), (24, 908884), (32, 681663), (38, 574032), (48, 454442), (57, 382688), (76, 287016), (96, 227221), (114, 191344), (152, 143508), (228, 95672), (304, 71754), (456, 47836), (608, 35877), (912, 23918), (1824, 11959)]