21371304

素因数分解:

$2^3\times 3^1\times {\mathrm{397}}^1\times {\mathrm{2243}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 53586720

約数和(自身を除く): 32215416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 397, 794, 1191, 1588, 2243, 2382, 3176, 4486, 4764, 6729, 8972, 9528, 13458, 17944, 26916, 53832, 890471, 1780942, 2671413, 3561884, 5342826, 7123768, 10685652, 21371304]

約数ペア:

[(1, 21371304), (2, 10685652), (3, 7123768), (4, 5342826), (6, 3561884), (8, 2671413), (12, 1780942), (24, 890471), (397, 53832), (794, 26916), (1191, 17944), (1588, 13458), (2243, 9528), (2382, 8972), (3176, 6729), (4486, 4764)]