21684834

素因数分解:

$2^1\times 3^6\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 56

約数和(自身を含む): 49578480

約数和(自身を除く): 27893646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 107, 139, 162, 214, 243, 278, 321, 417, 486, 642, 729, 834, 963, 1251, 1458, 1926, 2502, 2889, 3753, 5778, 7506, 8667, 11259, 14873, 17334, 22518, 26001, 29746, 33777, 44619, 52002, 67554, 78003, 89238, 101331, 133857, 156006, 202662, 267714, 401571, 803142, 1204713, 2409426, 3614139, 7228278, 10842417, 21684834]

約数ペア:

[(1, 21684834), (2, 10842417), (3, 7228278), (6, 3614139), (9, 2409426), (18, 1204713), (27, 803142), (54, 401571), (81, 267714), (107, 202662), (139, 156006), (162, 133857), (214, 101331), (243, 89238), (278, 78003), (321, 67554), (417, 52002), (486, 44619), (642, 33777), (729, 29746), (834, 26001), (963, 22518), (1251, 17334), (1458, 14873), (1926, 11259), (2502, 8667), (2889, 7506), (3753, 5778)]