21093028810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2347}}^1\times {\mathrm{128389}}^1$

素因数の和:130750

約数の個数: 32

約数和(自身を含む): 43410199680

約数和(自身を除く): 22317170870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2347, 4694, 11735, 16429, 23470, 32858, 82145, 128389, 164290, 256778, 641945, 898723, 1283890, 1797446, 4493615, 8987230, 301328983, 602657966, 1506644915, 2109302881, 3013289830, 4218605762, 10546514405, 21093028810]

約数ペア:

[(1, 21093028810), (2, 10546514405), (5, 4218605762), (7, 3013289830), (10, 2109302881), (14, 1506644915), (35, 602657966), (70, 301328983), (2347, 8987230), (4694, 4493615), (11735, 1797446), (16429, 1283890), (23470, 898723), (32858, 641945), (82145, 256778), (128389, 164290)]