21965426

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4229}}^1$

素因数の和:4298

約数の個数: 24

約数和(自身を含む): 39059820

約数和(自身を除く): 17094394

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4229, 5194, 8458, 29603, 59206, 207221, 224137, 414442, 448274, 1568959, 3137918, 10982713, 21965426]

約数ペア:

[(1, 21965426), (2, 10982713), (7, 3137918), (14, 1568959), (49, 448274), (53, 414442), (98, 224137), (106, 207221), (371, 59206), (742, 29603), (2597, 8458), (4229, 5194)]