21908124

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28979}}^1$

素因数の和:28999

約数の個数: 48

約数和(自身を含む): 64915200

約数和(自身を除く): 43007076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28979, 57958, 86937, 115916, 173874, 202853, 260811, 347748, 405706, 521622, 608559, 782433, 811412, 1043244, 1217118, 1564866, 1825677, 2434236, 3129732, 3651354, 5477031, 7302708, 10954062, 21908124]

約数ペア:

[(1, 21908124), (2, 10954062), (3, 7302708), (4, 5477031), (6, 3651354), (7, 3129732), (9, 2434236), (12, 1825677), (14, 1564866), (18, 1217118), (21, 1043244), (27, 811412), (28, 782433), (36, 608559), (42, 521622), (54, 405706), (63, 347748), (84, 260811), (108, 202853), (126, 173874), (189, 115916), (252, 86937), (378, 57958), (756, 28979)]