21023037

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2713}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 36476160

約数和(自身を除く): 15453123

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2713, 7749, 8139, 18991, 24417, 56973, 73251, 111233, 170919, 333699, 512757, 778631, 1001097, 2335893, 3003291, 7007679, 21023037]

約数ペア:

[(1, 21023037), (3, 7007679), (7, 3003291), (9, 2335893), (21, 1001097), (27, 778631), (41, 512757), (63, 333699), (123, 170919), (189, 111233), (287, 73251), (369, 56973), (861, 24417), (1107, 18991), (2583, 8139), (2713, 7749)]