21986784

素因数分解:

$2^5\times 3^2\times {\mathrm{76343}}^1$

素因数の和:76359

約数の個数: 36

約数和(自身を含む): 62525736

約数和(自身を除く): 40538952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 76343, 152686, 229029, 305372, 458058, 610744, 687087, 916116, 1221488, 1374174, 1832232, 2442976, 2748348, 3664464, 5496696, 7328928, 10993392, 21986784]

約数ペア:

[(1, 21986784), (2, 10993392), (3, 7328928), (4, 5496696), (6, 3664464), (8, 2748348), (9, 2442976), (12, 1832232), (16, 1374174), (18, 1221488), (24, 916116), (32, 687087), (36, 610744), (48, 458058), (72, 305372), (96, 229029), (144, 152686), (288, 76343)]