21841668

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 59262840

約数和(自身を除く): 37421172

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 89, 102, 153, 178, 204, 267, 306, 356, 401, 534, 612, 801, 802, 1068, 1203, 1513, 1602, 1604, 2406, 3026, 3204, 3609, 4539, 4812, 6052, 6817, 7218, 9078, 13617, 13634, 14436, 18156, 20451, 27234, 27268, 35689, 40902, 54468, 61353, 71378, 81804, 107067, 122706, 142756, 214134, 245412, 321201, 428268, 606713, 642402, 1213426, 1284804, 1820139, 2426852, 3640278, 5460417, 7280556, 10920834, 21841668]

約数ペア:

[(1, 21841668), (2, 10920834), (3, 7280556), (4, 5460417), (6, 3640278), (9, 2426852), (12, 1820139), (17, 1284804), (18, 1213426), (34, 642402), (36, 606713), (51, 428268), (68, 321201), (89, 245412), (102, 214134), (153, 142756), (178, 122706), (204, 107067), (267, 81804), (306, 71378), (356, 61353), (401, 54468), (534, 40902), (612, 35689), (801, 27268), (802, 27234), (1068, 20451), (1203, 18156), (1513, 14436), (1602, 13634), (1604, 13617), (2406, 9078), (3026, 7218), (3204, 6817), (3609, 6052), (4539, 4812)]