21365341921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1\times {\mathrm{5851}}^1$

素因数の和:6925

約数の個数: 32

約数和(自身を含む): 27235676160

約数和(自身を除く): 5870334239

約数列:

[1, 7, 11, 47, 77, 329, 517, 1009, 3619, 5851, 7063, 11099, 40957, 47423, 64361, 77693, 274997, 331961, 450527, 521653, 1924979, 3024967, 3651571, 5903659, 21174769, 41325613, 64940249, 277471973, 454581743, 1942303811, 3052191703, 21365341921]

約数ペア:

[(1, 21365341921), (7, 3052191703), (11, 1942303811), (47, 454581743), (77, 277471973), (329, 64940249), (517, 41325613), (1009, 21174769), (3619, 5903659), (5851, 3651571), (7063, 3024967), (11099, 1924979), (40957, 521653), (47423, 450527), (64361, 331961), (77693, 274997)]