21742950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3429

約数の個数: 48

約数和(自身を含む): 55192896

約数和(自身を除く): 33449946

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 3371, 6450, 6742, 10113, 16855, 20226, 33710, 50565, 84275, 101130, 144953, 168550, 252825, 289906, 434859, 505650, 724765, 869718, 1449530, 2174295, 3623825, 4348590, 7247650, 10871475, 21742950]

約数ペア:

[(1, 21742950), (2, 10871475), (3, 7247650), (5, 4348590), (6, 3623825), (10, 2174295), (15, 1449530), (25, 869718), (30, 724765), (43, 505650), (50, 434859), (75, 289906), (86, 252825), (129, 168550), (150, 144953), (215, 101130), (258, 84275), (430, 50565), (645, 33710), (1075, 20226), (1290, 16855), (2150, 10113), (3225, 6742), (3371, 6450)]