21061512

素因数分解:

$2^3\times 3^3\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 58881600

約数和(自身を除く): 37820088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 281, 347, 562, 694, 843, 1041, 1124, 1388, 1686, 2082, 2248, 2529, 2776, 3123, 3372, 4164, 5058, 6246, 6744, 7587, 8328, 9369, 10116, 12492, 15174, 18738, 20232, 24984, 30348, 37476, 60696, 74952, 97507, 195014, 292521, 390028, 585042, 780056, 877563, 1170084, 1755126, 2340168, 2632689, 3510252, 5265378, 7020504, 10530756, 21061512]

約数ペア:

[(1, 21061512), (2, 10530756), (3, 7020504), (4, 5265378), (6, 3510252), (8, 2632689), (9, 2340168), (12, 1755126), (18, 1170084), (24, 877563), (27, 780056), (36, 585042), (54, 390028), (72, 292521), (108, 195014), (216, 97507), (281, 74952), (347, 60696), (562, 37476), (694, 30348), (843, 24984), (1041, 20232), (1124, 18738), (1388, 15174), (1686, 12492), (2082, 10116), (2248, 9369), (2529, 8328), (2776, 7587), (3123, 6744), (3372, 6246), (4164, 5058)]