21031888572

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{279397}}^1$

素因数の和:279468

約数の個数: 96

約数和(自身を含む): 59142968640

約数和(自身を除く): 38111080068

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 41, 51, 54, 68, 82, 102, 108, 123, 153, 164, 204, 246, 306, 369, 459, 492, 612, 697, 738, 918, 1107, 1394, 1476, 1836, 2091, 2214, 2788, 4182, 4428, 6273, 8364, 12546, 18819, 25092, 37638, 75276, 279397, 558794, 838191, 1117588, 1676382, 2514573, 3352764, 4749749, 5029146, 7543719, 9499498, 10058292, 11455277, 14249247, 15087438, 18998996, 22910554, 28498494, 30174876, 34365831, 42747741, 45821108, 56996988, 68731662, 85495482, 103097493, 128243223, 137463324, 170990964, 194739709, 206194986, 256486446, 309292479, 389479418, 412389972, 512972892, 584219127, 618584958, 778958836, 1168438254, 1237169916, 1752657381, 2336876508, 3505314762, 5257972143, 7010629524, 10515944286, 21031888572]

約数ペア:

[(1, 21031888572), (2, 10515944286), (3, 7010629524), (4, 5257972143), (6, 3505314762), (9, 2336876508), (12, 1752657381), (17, 1237169916), (18, 1168438254), (27, 778958836), (34, 618584958), (36, 584219127), (41, 512972892), (51, 412389972), (54, 389479418), (68, 309292479), (82, 256486446), (102, 206194986), (108, 194739709), (123, 170990964), (153, 137463324), (164, 128243223), (204, 103097493), (246, 85495482), (306, 68731662), (369, 56996988), (459, 45821108), (492, 42747741), (612, 34365831), (697, 30174876), (738, 28498494), (918, 22910554), (1107, 18998996), (1394, 15087438), (1476, 14249247), (1836, 11455277), (2091, 10058292), (2214, 9499498), (2788, 7543719), (4182, 5029146), (4428, 4749749), (6273, 3352764), (8364, 2514573), (12546, 1676382), (18819, 1117588), (25092, 838191), (37638, 558794), (75276, 279397)]