21038832

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1619

約数の個数: 80

約数和(自身を含む): 62376960

約数和(自身を除く): 41338128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1571, 1674, 2232, 3142, 3348, 4464, 4713, 6284, 6696, 9426, 12568, 13392, 14139, 18852, 25136, 28278, 37704, 42417, 48701, 56556, 75408, 84834, 97402, 113112, 146103, 169668, 194804, 226224, 292206, 339336, 389608, 438309, 584412, 678672, 779216, 876618, 1168824, 1314927, 1753236, 2337648, 2629854, 3506472, 5259708, 7012944, 10519416, 21038832]

約数ペア:

[(1, 21038832), (2, 10519416), (3, 7012944), (4, 5259708), (6, 3506472), (8, 2629854), (9, 2337648), (12, 1753236), (16, 1314927), (18, 1168824), (24, 876618), (27, 779216), (31, 678672), (36, 584412), (48, 438309), (54, 389608), (62, 339336), (72, 292206), (93, 226224), (108, 194804), (124, 169668), (144, 146103), (186, 113112), (216, 97402), (248, 84834), (279, 75408), (372, 56556), (432, 48701), (496, 42417), (558, 37704), (744, 28278), (837, 25136), (1116, 18852), (1488, 14139), (1571, 13392), (1674, 12568), (2232, 9426), (3142, 6696), (3348, 6284), (4464, 4713)]