21952150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 23044970

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 167, 239, 275, 334, 478, 550, 835, 1195, 1670, 1837, 2390, 2629, 3674, 4175, 5258, 5975, 8350, 9185, 11950, 13145, 18370, 26290, 39913, 45925, 65725, 79826, 91850, 131450, 199565, 399130, 439043, 878086, 997825, 1995650, 2195215, 4390430, 10976075, 21952150]

約数ペア:

[(1, 21952150), (2, 10976075), (5, 4390430), (10, 2195215), (11, 1995650), (22, 997825), (25, 878086), (50, 439043), (55, 399130), (110, 199565), (167, 131450), (239, 91850), (275, 79826), (334, 65725), (478, 45925), (550, 39913), (835, 26290), (1195, 18370), (1670, 13145), (1837, 11950), (2390, 9185), (2629, 8350), (3674, 5975), (4175, 5258)]