21810528

素因数分解:

$2^5\times 3^2\times {\mathrm{75731}}^1$

素因数の和:75747

約数の個数: 36

約数和(自身を含む): 62024508

約数和(自身を除く): 40213980

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 75731, 151462, 227193, 302924, 454386, 605848, 681579, 908772, 1211696, 1363158, 1817544, 2423392, 2726316, 3635088, 5452632, 7270176, 10905264, 21810528]

約数ペア:

[(1, 21810528), (2, 10905264), (3, 7270176), (4, 5452632), (6, 3635088), (8, 2726316), (9, 2423392), (12, 1817544), (16, 1363158), (18, 1211696), (24, 908772), (32, 681579), (36, 605848), (48, 454386), (72, 302924), (96, 227193), (144, 151462), (288, 75731)]