21461454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2485

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 32452146

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2399, 2982, 4473, 4798, 7197, 8946, 14394, 16793, 21591, 33586, 43182, 50379, 100758, 151137, 170329, 302274, 340658, 510987, 1021974, 1192303, 1532961, 2384606, 3065922, 3576909, 7153818, 10730727, 21461454]

約数ペア:

[(1, 21461454), (2, 10730727), (3, 7153818), (6, 3576909), (7, 3065922), (9, 2384606), (14, 1532961), (18, 1192303), (21, 1021974), (42, 510987), (63, 340658), (71, 302274), (126, 170329), (142, 151137), (213, 100758), (426, 50379), (497, 43182), (639, 33586), (994, 21591), (1278, 16793), (1491, 14394), (2399, 8946), (2982, 7197), (4473, 4798)]