13821780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{32909}}^1$

素因数の和:32928

約数の個数: 48

約数和(自身を含む): 44231040

約数和(自身を除く): 30409260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 32909, 65818, 98727, 131636, 164545, 197454, 230363, 329090, 394908, 460726, 493635, 658180, 691089, 921452, 987270, 1151815, 1382178, 1974540, 2303630, 2764356, 3455445, 4607260, 6910890, 13821780]

約数ペア:

[(1, 13821780), (2, 6910890), (3, 4607260), (4, 3455445), (5, 2764356), (6, 2303630), (7, 1974540), (10, 1382178), (12, 1151815), (14, 987270), (15, 921452), (20, 691089), (21, 658180), (28, 493635), (30, 460726), (35, 394908), (42, 329090), (60, 230363), (70, 197454), (84, 164545), (105, 131636), (140, 98727), (210, 65818), (420, 32909)]