21121842

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71843}}^1$

素因数の和:71862

約数の個数: 24

約数和(自身を含む): 49141296

約数和(自身を除く): 28019454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71843, 143686, 215529, 431058, 502901, 1005802, 1508703, 3017406, 3520307, 7040614, 10560921, 21121842]

約数ペア:

[(1, 21121842), (2, 10560921), (3, 7040614), (6, 3520307), (7, 3017406), (14, 1508703), (21, 1005802), (42, 502901), (49, 431058), (98, 215529), (147, 143686), (294, 71843)]