21415550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 22456642

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 701, 1175, 1222, 1402, 2350, 3055, 3505, 6110, 7010, 9113, 15275, 17525, 18226, 30550, 32947, 35050, 45565, 65894, 91130, 164735, 227825, 329470, 428311, 455650, 823675, 856622, 1647350, 2141555, 4283110, 10707775, 21415550]

約数ペア:

[(1, 21415550), (2, 10707775), (5, 4283110), (10, 2141555), (13, 1647350), (25, 856622), (26, 823675), (47, 455650), (50, 428311), (65, 329470), (94, 227825), (130, 164735), (235, 91130), (325, 65894), (470, 45565), (611, 35050), (650, 32947), (701, 30550), (1175, 18226), (1222, 17525), (1402, 15275), (2350, 9113), (3055, 7010), (3505, 6110)]