21951972

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9679}}^1$

素因数の和:9702

約数の個数: 60

約数和(自身を含む): 65591680

約数和(自身を除く): 43639708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9679, 19358, 29037, 38716, 58074, 67753, 87111, 116148, 135506, 174222, 203259, 261333, 271012, 348444, 406518, 522666, 609777, 783999, 813036, 1045332, 1219554, 1567998, 1829331, 2439108, 3135996, 3658662, 5487993, 7317324, 10975986, 21951972]

約数ペア:

[(1, 21951972), (2, 10975986), (3, 7317324), (4, 5487993), (6, 3658662), (7, 3135996), (9, 2439108), (12, 1829331), (14, 1567998), (18, 1219554), (21, 1045332), (27, 813036), (28, 783999), (36, 609777), (42, 522666), (54, 406518), (63, 348444), (81, 271012), (84, 261333), (108, 203259), (126, 174222), (162, 135506), (189, 116148), (252, 87111), (324, 67753), (378, 58074), (567, 38716), (756, 29037), (1134, 19358), (2268, 9679)]