21000295694

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{3257}}^1$

素因数の和:3593

約数の個数: 64

約数和(自身を含む): 37832417280

約数和(自身を除く): 16832121586

約数列:

[1, 2, 7, 14, 41, 47, 82, 94, 239, 287, 329, 478, 574, 658, 1673, 1927, 3257, 3346, 3854, 6514, 9799, 11233, 13489, 19598, 22466, 22799, 26978, 45598, 68593, 78631, 133537, 137186, 153079, 157262, 267074, 306158, 460553, 778423, 921106, 934759, 1071553, 1556846, 1869518, 2143106, 3223871, 5448961, 6276239, 6447742, 10897922, 12552478, 31915343, 36585881, 43933673, 63830686, 73171762, 87867346, 223407401, 256101167, 446814802, 512202334, 1500021121, 3000042242, 10500147847, 21000295694]

約数ペア:

[(1, 21000295694), (2, 10500147847), (7, 3000042242), (14, 1500021121), (41, 512202334), (47, 446814802), (82, 256101167), (94, 223407401), (239, 87867346), (287, 73171762), (329, 63830686), (478, 43933673), (574, 36585881), (658, 31915343), (1673, 12552478), (1927, 10897922), (3257, 6447742), (3346, 6276239), (3854, 5448961), (6514, 3223871), (9799, 2143106), (11233, 1869518), (13489, 1556846), (19598, 1071553), (22466, 934759), (22799, 921106), (26978, 778423), (45598, 460553), (68593, 306158), (78631, 267074), (133537, 157262), (137186, 153079)]