21278764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24071}}^1$

素因数の和:24105

約数の個数: 24

約数和(自身を含む): 42463008

約数和(自身を除く): 21184244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 24071, 48142, 96284, 312923, 409207, 625846, 818414, 1251692, 1636828, 5319691, 10639382, 21278764]

約数ペア:

[(1, 21278764), (2, 10639382), (4, 5319691), (13, 1636828), (17, 1251692), (26, 818414), (34, 625846), (52, 409207), (68, 312923), (221, 96284), (442, 48142), (884, 24071)]