21791490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103769}}^1$

素因数の和:103786

約数の個数: 32

約数和(自身を含む): 59771520

約数和(自身を除く): 37980030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103769, 207538, 311307, 518845, 622614, 726383, 1037690, 1452766, 1556535, 2179149, 3113070, 3631915, 4358298, 7263830, 10895745, 21791490]

約数ペア:

[(1, 21791490), (2, 10895745), (3, 7263830), (5, 4358298), (6, 3631915), (7, 3113070), (10, 2179149), (14, 1556535), (15, 1452766), (21, 1037690), (30, 726383), (35, 622614), (42, 518845), (70, 311307), (105, 207538), (210, 103769)]