21497190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5011}}^1$

素因数の和:5045

約数の個数: 64

約数和(自身を含む): 60625152

約数和(自身を除く): 39127962

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 5011, 10022, 15033, 25055, 30066, 50110, 55121, 65143, 75165, 110242, 130286, 150330, 165363, 195429, 275605, 325715, 330726, 390858, 551210, 651430, 716573, 826815, 977145, 1433146, 1653630, 1954290, 2149719, 3582865, 4299438, 7165730, 10748595, 21497190]

約数ペア:

[(1, 21497190), (2, 10748595), (3, 7165730), (5, 4299438), (6, 3582865), (10, 2149719), (11, 1954290), (13, 1653630), (15, 1433146), (22, 977145), (26, 826815), (30, 716573), (33, 651430), (39, 551210), (55, 390858), (65, 330726), (66, 325715), (78, 275605), (110, 195429), (130, 165363), (143, 150330), (165, 130286), (195, 110242), (286, 75165), (330, 65143), (390, 55121), (429, 50110), (715, 30066), (858, 25055), (1430, 15033), (2145, 10022), (4290, 5011)]