21691068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3637}}^1$

素因数の和:3722

約数の個数: 48

約数和(自身を含む): 58673664

約数和(自身を除く): 36982596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3637, 5964, 7274, 10911, 14548, 21822, 25459, 43644, 50918, 76377, 101836, 152754, 258227, 305508, 516454, 774681, 1032908, 1549362, 1807589, 3098724, 3615178, 5422767, 7230356, 10845534, 21691068]

約数ペア:

[(1, 21691068), (2, 10845534), (3, 7230356), (4, 5422767), (6, 3615178), (7, 3098724), (12, 1807589), (14, 1549362), (21, 1032908), (28, 774681), (42, 516454), (71, 305508), (84, 258227), (142, 152754), (213, 101836), (284, 76377), (426, 50918), (497, 43644), (852, 25459), (994, 21822), (1491, 14548), (1988, 10911), (2982, 7274), (3637, 5964)]