21655950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{2447}}^1$

素因数の和:2521

約数の個数: 48

約数和(自身を含む): 54639360

約数和(自身を除く): 32983410

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 59, 75, 118, 150, 177, 295, 354, 590, 885, 1475, 1770, 2447, 2950, 4425, 4894, 7341, 8850, 12235, 14682, 24470, 36705, 61175, 73410, 122350, 144373, 183525, 288746, 367050, 433119, 721865, 866238, 1443730, 2165595, 3609325, 4331190, 7218650, 10827975, 21655950]

約数ペア:

[(1, 21655950), (2, 10827975), (3, 7218650), (5, 4331190), (6, 3609325), (10, 2165595), (15, 1443730), (25, 866238), (30, 721865), (50, 433119), (59, 367050), (75, 288746), (118, 183525), (150, 144373), (177, 122350), (295, 73410), (354, 61175), (590, 36705), (885, 24470), (1475, 14682), (1770, 12235), (2447, 8850), (2950, 7341), (4425, 4894)]