21719124

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28729}}^1$

素因数の和:28749

約数の個数: 48

約数和(自身を含む): 64355200

約数和(自身を除く): 42636076

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, 28729, 57458, 86187, 114916, 172374, 201103, 258561, 344748, 402206, 517122, 603309, 775683, 804412, 1034244, 1206618, 1551366, 1809927, 2413236, 3102732, 3619854, 5429781, 7239708, 10859562, 21719124]

約数ペア:

[(1, 21719124), (2, 10859562), (3, 7239708), (4, 5429781), (6, 3619854), (7, 3102732), (9, 2413236), (12, 1809927), (14, 1551366), (18, 1206618), (21, 1034244), (27, 804412), (28, 775683), (36, 603309), (42, 517122), (54, 402206), (63, 344748), (84, 258561), (108, 201103), (126, 172374), (189, 114916), (252, 86187), (378, 57458), (756, 28729)]