21303800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15217}}^1$

素因数の和:15240

約数の個数: 48

約数和(自身を含む): 56610960

約数和(自身を除く): 35307160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15217, 30434, 60868, 76085, 106519, 121736, 152170, 213038, 304340, 380425, 426076, 532595, 608680, 760850, 852152, 1065190, 1521700, 2130380, 2662975, 3043400, 4260760, 5325950, 10651900, 21303800]

約数ペア:

[(1, 21303800), (2, 10651900), (4, 5325950), (5, 4260760), (7, 3043400), (8, 2662975), (10, 2130380), (14, 1521700), (20, 1065190), (25, 852152), (28, 760850), (35, 608680), (40, 532595), (50, 426076), (56, 380425), (70, 304340), (100, 213038), (140, 152170), (175, 121736), (200, 106519), (280, 76085), (350, 60868), (700, 30434), (1400, 15217)]