21706704

素因数分解:

$2^4\times 3^6\times {\mathrm{1861}}^1$

素因数の和:1887

約数の個数: 70

約数和(自身を含む): 63090146

約数和(自身を除く): 41383442

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1861, 1944, 2916, 3722, 3888, 5583, 5832, 7444, 11166, 11664, 14888, 16749, 22332, 29776, 33498, 44664, 50247, 66996, 89328, 100494, 133992, 150741, 200988, 267984, 301482, 401976, 452223, 602964, 803952, 904446, 1205928, 1356669, 1808892, 2411856, 2713338, 3617784, 5426676, 7235568, 10853352, 21706704]

約数ペア:

[(1, 21706704), (2, 10853352), (3, 7235568), (4, 5426676), (6, 3617784), (8, 2713338), (9, 2411856), (12, 1808892), (16, 1356669), (18, 1205928), (24, 904446), (27, 803952), (36, 602964), (48, 452223), (54, 401976), (72, 301482), (81, 267984), (108, 200988), (144, 150741), (162, 133992), (216, 100494), (243, 89328), (324, 66996), (432, 50247), (486, 44664), (648, 33498), (729, 29776), (972, 22332), (1296, 16749), (1458, 14888), (1861, 11664), (1944, 11166), (2916, 7444), (3722, 5832), (3888, 5583)]