21461050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 43481592

約数和(自身を除く): 22020542

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 137, 241, 274, 325, 482, 650, 685, 1205, 1370, 1781, 2410, 3133, 3425, 3562, 6025, 6266, 6850, 8905, 12050, 15665, 17810, 31330, 33017, 44525, 66034, 78325, 89050, 156650, 165085, 330170, 429221, 825425, 858442, 1650850, 2146105, 4292210, 10730525, 21461050]

約数ペア:

[(1, 21461050), (2, 10730525), (5, 4292210), (10, 2146105), (13, 1650850), (25, 858442), (26, 825425), (50, 429221), (65, 330170), (130, 165085), (137, 156650), (241, 89050), (274, 78325), (325, 66034), (482, 44525), (650, 33017), (685, 31330), (1205, 17810), (1370, 15665), (1781, 12050), (2410, 8905), (3133, 6850), (3425, 6266), (3562, 6025)]