21247650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15739}}^1$

素因数の和:15760

約数の個数: 48

約数和(自身を含む): 58552800

約数和(自身を除く): 37305150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15739, 31478, 47217, 78695, 94434, 141651, 157390, 236085, 283302, 393475, 424953, 472170, 708255, 786950, 849906, 1180425, 1416510, 2124765, 2360850, 3541275, 4249530, 7082550, 10623825, 21247650]

約数ペア:

[(1, 21247650), (2, 10623825), (3, 7082550), (5, 4249530), (6, 3541275), (9, 2360850), (10, 2124765), (15, 1416510), (18, 1180425), (25, 849906), (27, 786950), (30, 708255), (45, 472170), (50, 424953), (54, 393475), (75, 283302), (90, 236085), (135, 157390), (150, 141651), (225, 94434), (270, 78695), (450, 47217), (675, 31478), (1350, 15739)]