21351198

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3203}}^1$

素因数の和:3320

約数の個数: 32

約数和(自身を含む): 47060352

約数和(自身を除く): 25709154

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 101, 202, 303, 606, 1111, 2222, 3203, 3333, 6406, 6666, 9609, 19218, 35233, 70466, 105699, 211398, 323503, 647006, 970509, 1941018, 3558533, 7117066, 10675599, 21351198]

約数ペア:

[(1, 21351198), (2, 10675599), (3, 7117066), (6, 3558533), (11, 1941018), (22, 970509), (33, 647006), (66, 323503), (101, 211398), (202, 105699), (303, 70466), (606, 35233), (1111, 19218), (2222, 9609), (3203, 6666), (3333, 6406)]