21622480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24571}}^1$

素因数の和:24595

約数の個数: 40

約数和(自身を含む): 54844704

約数和(自身を除く): 33222224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24571, 49142, 98284, 122855, 196568, 245710, 270281, 393136, 491420, 540562, 982840, 1081124, 1351405, 1965680, 2162248, 2702810, 4324496, 5405620, 10811240, 21622480]

約数ペア:

[(1, 21622480), (2, 10811240), (4, 5405620), (5, 4324496), (8, 2702810), (10, 2162248), (11, 1965680), (16, 1351405), (20, 1081124), (22, 982840), (40, 540562), (44, 491420), (55, 393136), (80, 270281), (88, 245710), (110, 196568), (176, 122855), (220, 98284), (440, 49142), (880, 24571)]