21503034

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 53634048

約数和(自身を除く): 32131014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1087, 1099, 1413, 2174, 2198, 2826, 3261, 3297, 6522, 6594, 7609, 9783, 9891, 15218, 19566, 19782, 22827, 45654, 68481, 136962, 170659, 341318, 511977, 1023954, 1194613, 1535931, 2389226, 3071862, 3583839, 7167678, 10751517, 21503034]

約数ペア:

[(1, 21503034), (2, 10751517), (3, 7167678), (6, 3583839), (7, 3071862), (9, 2389226), (14, 1535931), (18, 1194613), (21, 1023954), (42, 511977), (63, 341318), (126, 170659), (157, 136962), (314, 68481), (471, 45654), (942, 22827), (1087, 19782), (1099, 19566), (1413, 15218), (2174, 9891), (2198, 9783), (2826, 7609), (3261, 6594), (3297, 6522)]