21068856

素因数分解:

$2^3\times 3^3\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 59155200

約数和(自身を除く): 38086344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 103, 108, 206, 216, 309, 412, 618, 824, 927, 947, 1236, 1854, 1894, 2472, 2781, 2841, 3708, 3788, 5562, 5682, 7416, 7576, 8523, 11124, 11364, 17046, 22248, 22728, 25569, 34092, 51138, 68184, 97541, 102276, 195082, 204552, 292623, 390164, 585246, 780328, 877869, 1170492, 1755738, 2340984, 2633607, 3511476, 5267214, 7022952, 10534428, 21068856]

約数ペア:

[(1, 21068856), (2, 10534428), (3, 7022952), (4, 5267214), (6, 3511476), (8, 2633607), (9, 2340984), (12, 1755738), (18, 1170492), (24, 877869), (27, 780328), (36, 585246), (54, 390164), (72, 292623), (103, 204552), (108, 195082), (206, 102276), (216, 97541), (309, 68184), (412, 51138), (618, 34092), (824, 25569), (927, 22728), (947, 22248), (1236, 17046), (1854, 11364), (1894, 11124), (2472, 8523), (2781, 7576), (2841, 7416), (3708, 5682), (3788, 5562)]