21380970070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2542327}}^1$

素因数の和:2542392

約数の個数: 24

約数和(自身を含む): 39858618384

約数和(自身を除く): 18477648314

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 4205, 8410, 2542327, 5084654, 12711635, 25423270, 73727483, 147454966, 368637415, 737274830, 2138097007, 4276194014, 10690485035, 21380970070]

約数ペア:

[(1, 21380970070), (2, 10690485035), (5, 4276194014), (10, 2138097007), (29, 737274830), (58, 368637415), (145, 147454966), (290, 73727483), (841, 25423270), (1682, 12711635), (4205, 5084654), (8410, 2542327)]