2180556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 6683040

約数和(自身を除く): 4502484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 509, 612, 714, 1018, 1071, 1428, 1527, 2036, 2142, 3054, 3563, 4284, 4581, 6108, 7126, 8653, 9162, 10689, 14252, 17306, 18324, 21378, 25959, 32067, 34612, 42756, 51918, 60571, 64134, 77877, 103836, 121142, 128268, 155754, 181713, 242284, 311508, 363426, 545139, 726852, 1090278, 2180556]

約数ペア:

[(1, 2180556), (2, 1090278), (3, 726852), (4, 545139), (6, 363426), (7, 311508), (9, 242284), (12, 181713), (14, 155754), (17, 128268), (18, 121142), (21, 103836), (28, 77877), (34, 64134), (36, 60571), (42, 51918), (51, 42756), (63, 34612), (68, 32067), (84, 25959), (102, 21378), (119, 18324), (126, 17306), (153, 14252), (204, 10689), (238, 9162), (252, 8653), (306, 7126), (357, 6108), (476, 4581), (509, 4284), (612, 3563), (714, 3054), (1018, 2142), (1071, 2036), (1428, 1527)]