21249014

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:512

約数の個数: 24

約数和(自身を含む): 34298040

約数和(自身を除く): 13049026

約数列:

[1, 2, 17, 34, 97, 194, 289, 379, 578, 758, 1649, 3298, 6443, 12886, 28033, 36763, 56066, 73526, 109531, 219062, 624971, 1249942, 10624507, 21249014]

約数ペア:

[(1, 21249014), (2, 10624507), (17, 1249942), (34, 624971), (97, 219062), (194, 109531), (289, 73526), (379, 56066), (578, 36763), (758, 28033), (1649, 12886), (3298, 6443)]