21998952

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 80

約数和(自身を含む): 65274660

約数和(自身を除く): 43275708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1997, 2754, 3672, 3994, 5508, 5991, 7988, 11016, 11982, 15976, 17973, 23964, 33949, 35946, 47928, 53919, 67898, 71892, 101847, 107838, 135796, 143784, 161757, 203694, 215676, 271592, 305541, 323514, 407388, 431352, 611082, 647028, 814776, 916623, 1222164, 1294056, 1833246, 2444328, 2749869, 3666492, 5499738, 7332984, 10999476, 21998952]

約数ペア:

[(1, 21998952), (2, 10999476), (3, 7332984), (4, 5499738), (6, 3666492), (8, 2749869), (9, 2444328), (12, 1833246), (17, 1294056), (18, 1222164), (24, 916623), (27, 814776), (34, 647028), (36, 611082), (51, 431352), (54, 407388), (68, 323514), (72, 305541), (81, 271592), (102, 215676), (108, 203694), (136, 161757), (153, 143784), (162, 135796), (204, 107838), (216, 101847), (306, 71892), (324, 67898), (408, 53919), (459, 47928), (612, 35946), (648, 33949), (918, 23964), (1224, 17973), (1377, 15976), (1836, 11982), (1997, 11016), (2754, 7988), (3672, 5991), (3994, 5508)]