21209112

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2753}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 57999240

約数和(自身を除く): 36790128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2753, 3852, 5506, 7704, 8259, 11012, 16518, 22024, 24777, 33036, 49554, 66072, 99108, 198216, 294571, 589142, 883713, 1178284, 1767426, 2356568, 2651139, 3534852, 5302278, 7069704, 10604556, 21209112]

約数ペア:

[(1, 21209112), (2, 10604556), (3, 7069704), (4, 5302278), (6, 3534852), (8, 2651139), (9, 2356568), (12, 1767426), (18, 1178284), (24, 883713), (36, 589142), (72, 294571), (107, 198216), (214, 99108), (321, 66072), (428, 49554), (642, 33036), (856, 24777), (963, 22024), (1284, 16518), (1926, 11012), (2568, 8259), (2753, 7704), (3852, 5506)]