21954350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 23042770

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 179, 223, 275, 358, 446, 550, 895, 1115, 1790, 1969, 2230, 2453, 3938, 4475, 4906, 5575, 8950, 9845, 11150, 12265, 19690, 24530, 39917, 49225, 61325, 79834, 98450, 122650, 199585, 399170, 439087, 878174, 997925, 1995850, 2195435, 4390870, 10977175, 21954350]

約数ペア:

[(1, 21954350), (2, 10977175), (5, 4390870), (10, 2195435), (11, 1995850), (22, 997925), (25, 878174), (50, 439087), (55, 399170), (110, 199585), (179, 122650), (223, 98450), (275, 79834), (358, 61325), (446, 49225), (550, 39917), (895, 24530), (1115, 19690), (1790, 12265), (1969, 11150), (2230, 9845), (2453, 8950), (3938, 5575), (4475, 4906)]