21478950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 58757400

約数和(自身を除く): 37278450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 150, 177, 225, 295, 354, 450, 531, 590, 809, 885, 1062, 1475, 1618, 1770, 2427, 2655, 2950, 4045, 4425, 4854, 5310, 7281, 8090, 8850, 12135, 13275, 14562, 20225, 24270, 26550, 36405, 40450, 47731, 60675, 72810, 95462, 121350, 143193, 182025, 238655, 286386, 364050, 429579, 477310, 715965, 859158, 1193275, 1431930, 2147895, 2386550, 3579825, 4295790, 7159650, 10739475, 21478950]

約数ペア:

[(1, 21478950), (2, 10739475), (3, 7159650), (5, 4295790), (6, 3579825), (9, 2386550), (10, 2147895), (15, 1431930), (18, 1193275), (25, 859158), (30, 715965), (45, 477310), (50, 429579), (59, 364050), (75, 286386), (90, 238655), (118, 182025), (150, 143193), (177, 121350), (225, 95462), (295, 72810), (354, 60675), (450, 47731), (531, 40450), (590, 36405), (809, 26550), (885, 24270), (1062, 20225), (1475, 14562), (1618, 13275), (1770, 12135), (2427, 8850), (2655, 8090), (2950, 7281), (4045, 5310), (4425, 4854)]