21951156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 55193600

約数和(自身を除く): 33242444

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2239, 2451, 3268, 4478, 4902, 6717, 8956, 9804, 13434, 26868, 42541, 85082, 96277, 127623, 170164, 192554, 255246, 288831, 385108, 510492, 577662, 1155324, 1829263, 3658526, 5487789, 7317052, 10975578, 21951156]

約数ペア:

[(1, 21951156), (2, 10975578), (3, 7317052), (4, 5487789), (6, 3658526), (12, 1829263), (19, 1155324), (38, 577662), (43, 510492), (57, 385108), (76, 288831), (86, 255246), (114, 192554), (129, 170164), (172, 127623), (228, 96277), (258, 85082), (516, 42541), (817, 26868), (1634, 13434), (2239, 9804), (2451, 8956), (3268, 6717), (4478, 4902)]