21455998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{4457}}^1$

素因数の和:4571

約数の個数: 16

約数和(自身を含む): 33702480

約数和(自身を除く): 12246482

約数列:

[1, 2, 29, 58, 83, 166, 2407, 4457, 4814, 8914, 129253, 258506, 369931, 739862, 10727999, 21455998]

約数ペア:

[(1, 21455998), (2, 10727999), (29, 739862), (58, 369931), (83, 258506), (166, 129253), (2407, 8914), (4457, 4814)]