21043650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2647}}^1$

素因数の和:2715

約数の個数: 48

約数和(自身を含む): 53193024

約数和(自身を除く): 32149374

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2647, 2650, 3975, 5294, 7941, 7950, 13235, 15882, 26470, 39705, 66175, 79410, 132350, 140291, 198525, 280582, 397050, 420873, 701455, 841746, 1402910, 2104365, 3507275, 4208730, 7014550, 10521825, 21043650]

約数ペア:

[(1, 21043650), (2, 10521825), (3, 7014550), (5, 4208730), (6, 3507275), (10, 2104365), (15, 1402910), (25, 841746), (30, 701455), (50, 420873), (53, 397050), (75, 280582), (106, 198525), (150, 140291), (159, 132350), (265, 79410), (318, 66175), (530, 39705), (795, 26470), (1325, 15882), (1590, 13235), (2647, 7950), (2650, 7941), (3975, 5294)]