21417912

素因数分解:

$2^3\times 3^3\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 59892000

約数和(自身を除く): 38474088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 229, 433, 458, 687, 866, 916, 1299, 1374, 1732, 1832, 2061, 2598, 2748, 3464, 3897, 4122, 5196, 5496, 6183, 7794, 8244, 10392, 11691, 12366, 15588, 16488, 23382, 24732, 31176, 46764, 49464, 93528, 99157, 198314, 297471, 396628, 594942, 793256, 892413, 1189884, 1784826, 2379768, 2677239, 3569652, 5354478, 7139304, 10708956, 21417912]

約数ペア:

[(1, 21417912), (2, 10708956), (3, 7139304), (4, 5354478), (6, 3569652), (8, 2677239), (9, 2379768), (12, 1784826), (18, 1189884), (24, 892413), (27, 793256), (36, 594942), (54, 396628), (72, 297471), (108, 198314), (216, 99157), (229, 93528), (433, 49464), (458, 46764), (687, 31176), (866, 24732), (916, 23382), (1299, 16488), (1374, 15588), (1732, 12366), (1832, 11691), (2061, 10392), (2598, 8244), (2748, 7794), (3464, 6183), (3897, 5496), (4122, 5196)]