21730492

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 46513152

約数和(自身を除く): 24782660

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 161, 164, 287, 322, 574, 644, 823, 943, 1148, 1646, 1886, 3292, 3772, 5761, 6601, 11522, 13202, 18929, 23044, 26404, 33743, 37858, 67486, 75716, 132503, 134972, 236201, 265006, 472402, 530012, 776089, 944804, 1552178, 3104356, 5432623, 10865246, 21730492]

約数ペア:

[(1, 21730492), (2, 10865246), (4, 5432623), (7, 3104356), (14, 1552178), (23, 944804), (28, 776089), (41, 530012), (46, 472402), (82, 265006), (92, 236201), (161, 134972), (164, 132503), (287, 75716), (322, 67486), (574, 37858), (644, 33743), (823, 26404), (943, 23044), (1148, 18929), (1646, 13202), (1886, 11522), (3292, 6601), (3772, 5761)]