21431004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2477}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 57727488

約数和(自身を除く): 36296484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2477, 2884, 4326, 4954, 7431, 8652, 9908, 14862, 17339, 29724, 34678, 52017, 69356, 104034, 208068, 255131, 510262, 765393, 1020524, 1530786, 1785917, 3061572, 3571834, 5357751, 7143668, 10715502, 21431004]

約数ペア:

[(1, 21431004), (2, 10715502), (3, 7143668), (4, 5357751), (6, 3571834), (7, 3061572), (12, 1785917), (14, 1530786), (21, 1020524), (28, 765393), (42, 510262), (84, 255131), (103, 208068), (206, 104034), (309, 69356), (412, 52017), (618, 34678), (721, 29724), (1236, 17339), (1442, 14862), (2163, 9908), (2477, 8652), (2884, 7431), (4326, 4954)]