21000923097

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{11867}}^1$

素因数の和:12098

約数の個数: 64

約数和(自身を含む): 35875160064

約数和(自身を除く): 14874236967

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 163, 231, 329, 489, 517, 987, 1141, 1551, 1793, 3423, 3619, 5379, 7661, 10857, 11867, 12551, 22983, 35601, 37653, 53627, 83069, 84271, 130537, 160881, 249207, 252813, 391611, 557749, 589897, 913759, 1673247, 1769691, 1934321, 2741277, 3904243, 5802963, 6135239, 11712729, 13540247, 18405717, 21277531, 40620741, 42946673, 63832593, 90913087, 128840019, 148942717, 272739261, 446828151, 636391609, 1000043957, 1909174827, 3000131871, 7000307699, 21000923097]

約数ペア:

[(1, 21000923097), (3, 7000307699), (7, 3000131871), (11, 1909174827), (21, 1000043957), (33, 636391609), (47, 446828151), (77, 272739261), (141, 148942717), (163, 128840019), (231, 90913087), (329, 63832593), (489, 42946673), (517, 40620741), (987, 21277531), (1141, 18405717), (1551, 13540247), (1793, 11712729), (3423, 6135239), (3619, 5802963), (5379, 3904243), (7661, 2741277), (10857, 1934321), (11867, 1769691), (12551, 1673247), (22983, 913759), (35601, 589897), (37653, 557749), (53627, 391611), (83069, 252813), (84271, 249207), (130537, 160881)]