21007488

素因数分解:

$2^7\times 3^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 56279520

約数和(自身を除く): 35272032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 227, 241, 384, 454, 482, 681, 723, 908, 964, 1362, 1446, 1816, 1928, 2724, 2892, 3632, 3856, 5448, 5784, 7264, 7712, 10896, 11568, 14528, 15424, 21792, 23136, 29056, 30848, 43584, 46272, 54707, 87168, 92544, 109414, 164121, 218828, 328242, 437656, 656484, 875312, 1312968, 1750624, 2625936, 3501248, 5251872, 7002496, 10503744, 21007488]

約数ペア:

[(1, 21007488), (2, 10503744), (3, 7002496), (4, 5251872), (6, 3501248), (8, 2625936), (12, 1750624), (16, 1312968), (24, 875312), (32, 656484), (48, 437656), (64, 328242), (96, 218828), (128, 164121), (192, 109414), (227, 92544), (241, 87168), (384, 54707), (454, 46272), (482, 43584), (681, 30848), (723, 29056), (908, 23136), (964, 21792), (1362, 15424), (1446, 14528), (1816, 11568), (1928, 10896), (2724, 7712), (2892, 7264), (3632, 5784), (3856, 5448)]