21544328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10941

約数の個数: 32

約数和(自身を含む): 45796800

約数和(自身を除く): 24252472

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10903, 21806, 43612, 87224, 141739, 207157, 283478, 414314, 566956, 828628, 1133912, 1657256, 2693041, 5386082, 10772164, 21544328]

約数ペア:

[(1, 21544328), (2, 10772164), (4, 5386082), (8, 2693041), (13, 1657256), (19, 1133912), (26, 828628), (38, 566956), (52, 414314), (76, 283478), (104, 207157), (152, 141739), (247, 87224), (494, 43612), (988, 21806), (1976, 10903)]