21239776

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{17939}}^1$

素因数の和:17986

約数の個数: 24

約数和(自身を含む): 42948360

約数和(自身を除く): 21708584

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 17939, 35878, 71756, 143512, 287024, 574048, 663743, 1327486, 2654972, 5309944, 10619888, 21239776]

約数ペア:

[(1, 21239776), (2, 10619888), (4, 5309944), (8, 2654972), (16, 1327486), (32, 663743), (37, 574048), (74, 287024), (148, 143512), (296, 71756), (592, 35878), (1184, 17939)]