21538614

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 45517824

約数和(自身を除く): 23979210

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 2666, 2693, 3999, 5386, 7998, 8079, 16158, 83483, 115799, 166966, 231598, 250449, 347397, 500898, 694794, 3589769, 7179538, 10769307, 21538614]

約数ペア:

[(1, 21538614), (2, 10769307), (3, 7179538), (6, 3589769), (31, 694794), (43, 500898), (62, 347397), (86, 250449), (93, 231598), (129, 166966), (186, 115799), (258, 83483), (1333, 16158), (2666, 8079), (2693, 7998), (3999, 5386)]