21417616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1667}}^1$

素因数の和:1759

約数の個数: 40

約数和(自身を含む): 45916704

約数和(自身を除く): 24499088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 1667, 3212, 3334, 6424, 6668, 12848, 13336, 18337, 26672, 36674, 73348, 121691, 146696, 243382, 293392, 486764, 973528, 1338601, 1947056, 2677202, 5354404, 10708808, 21417616]

約数ペア:

[(1, 21417616), (2, 10708808), (4, 5354404), (8, 2677202), (11, 1947056), (16, 1338601), (22, 973528), (44, 486764), (73, 293392), (88, 243382), (146, 146696), (176, 121691), (292, 73348), (584, 36674), (803, 26672), (1168, 18337), (1606, 13336), (1667, 12848), (3212, 6668), (3334, 6424)]