21083706

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 57175680

約数和(自身を除く): 36091974

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 193, 238, 289, 306, 357, 378, 386, 459, 578, 579, 714, 867, 918, 1071, 1158, 1351, 1734, 1737, 2023, 2142, 2601, 2702, 3213, 3281, 3474, 4046, 4053, 5202, 5211, 6069, 6426, 6562, 7803, 8106, 9843, 10422, 12138, 12159, 15606, 18207, 19686, 22967, 24318, 29529, 36414, 36477, 45934, 54621, 55777, 59058, 68901, 72954, 88587, 109242, 111554, 137802, 167331, 177174, 206703, 334662, 390439, 413406, 501993, 620109, 780878, 1003986, 1171317, 1240218, 1505979, 2342634, 3011958, 3513951, 7027902, 10541853, 21083706]

約数ペア:

[(1, 21083706), (2, 10541853), (3, 7027902), (6, 3513951), (7, 3011958), (9, 2342634), (14, 1505979), (17, 1240218), (18, 1171317), (21, 1003986), (27, 780878), (34, 620109), (42, 501993), (51, 413406), (54, 390439), (63, 334662), (102, 206703), (119, 177174), (126, 167331), (153, 137802), (189, 111554), (193, 109242), (238, 88587), (289, 72954), (306, 68901), (357, 59058), (378, 55777), (386, 54621), (459, 45934), (578, 36477), (579, 36414), (714, 29529), (867, 24318), (918, 22967), (1071, 19686), (1158, 18207), (1351, 15606), (1734, 12159), (1737, 12138), (2023, 10422), (2142, 9843), (2601, 8106), (2702, 7803), (3213, 6562), (3281, 6426), (3474, 6069), (4046, 5211), (4053, 5202)]