21212672

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3218

約数の個数: 40

約数和(自身を含む): 45658536

約数和(自身を除く): 24445864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3187, 3328, 6374, 6656, 12748, 25496, 41431, 50992, 82862, 101984, 165724, 203968, 331448, 407936, 662896, 815872, 1325792, 1631744, 2651584, 5303168, 10606336, 21212672]

約数ペア:

[(1, 21212672), (2, 10606336), (4, 5303168), (8, 2651584), (13, 1631744), (16, 1325792), (26, 815872), (32, 662896), (52, 407936), (64, 331448), (104, 203968), (128, 165724), (208, 101984), (256, 82862), (416, 50992), (512, 41431), (832, 25496), (1664, 12748), (3187, 6656), (3328, 6374)]