21293904

素因数分解:

$2^4\times 3^1\times {\mathrm{617}}^1\times {\mathrm{719}}^1$

素因数の和:1347

約数の個数: 40

約数和(自身を含む): 55175040

約数和(自身を除く): 33881136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 617, 719, 1234, 1438, 1851, 2157, 2468, 2876, 3702, 4314, 4936, 5752, 7404, 8628, 9872, 11504, 14808, 17256, 29616, 34512, 443623, 887246, 1330869, 1774492, 2661738, 3548984, 5323476, 7097968, 10646952, 21293904]

約数ペア:

[(1, 21293904), (2, 10646952), (3, 7097968), (4, 5323476), (6, 3548984), (8, 2661738), (12, 1774492), (16, 1330869), (24, 887246), (48, 443623), (617, 34512), (719, 29616), (1234, 17256), (1438, 14808), (1851, 11504), (2157, 9872), (2468, 8628), (2876, 7404), (3702, 5752), (4314, 4936)]