21616272

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3548

約数の個数: 60

約数和(自身を含む): 61920144

約数和(自身を除く): 40303872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3491, 6192, 6982, 10473, 13964, 20946, 27928, 31419, 41892, 55856, 62838, 83784, 125676, 150113, 167568, 251352, 300226, 450339, 502704, 600452, 900678, 1200904, 1351017, 1801356, 2401808, 2702034, 3602712, 5404068, 7205424, 10808136, 21616272]

約数ペア:

[(1, 21616272), (2, 10808136), (3, 7205424), (4, 5404068), (6, 3602712), (8, 2702034), (9, 2401808), (12, 1801356), (16, 1351017), (18, 1200904), (24, 900678), (36, 600452), (43, 502704), (48, 450339), (72, 300226), (86, 251352), (129, 167568), (144, 150113), (172, 125676), (258, 83784), (344, 62838), (387, 55856), (516, 41892), (688, 31419), (774, 27928), (1032, 20946), (1548, 13964), (2064, 10473), (3096, 6982), (3491, 6192)]