21397632

素因数分解:

$2^7\times 3^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 57495360

約数和(自身を除く): 36097728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 103, 128, 192, 206, 309, 384, 412, 541, 618, 824, 1082, 1236, 1623, 1648, 2164, 2472, 3246, 3296, 4328, 4944, 6492, 6592, 8656, 9888, 12984, 13184, 17312, 19776, 25968, 34624, 39552, 51936, 55723, 69248, 103872, 111446, 167169, 207744, 222892, 334338, 445784, 668676, 891568, 1337352, 1783136, 2674704, 3566272, 5349408, 7132544, 10698816, 21397632]

約数ペア:

[(1, 21397632), (2, 10698816), (3, 7132544), (4, 5349408), (6, 3566272), (8, 2674704), (12, 1783136), (16, 1337352), (24, 891568), (32, 668676), (48, 445784), (64, 334338), (96, 222892), (103, 207744), (128, 167169), (192, 111446), (206, 103872), (309, 69248), (384, 55723), (412, 51936), (541, 39552), (618, 34624), (824, 25968), (1082, 19776), (1236, 17312), (1623, 13184), (1648, 12984), (2164, 9888), (2472, 8656), (3246, 6592), (3296, 6492), (4328, 4944)]