21034320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87643}}^1$

素因数の和:87659

約数の個数: 40

約数和(自身を含む): 65207136

約数和(自身を除く): 44172816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87643, 175286, 262929, 350572, 438215, 525858, 701144, 876430, 1051716, 1314645, 1402288, 1752860, 2103432, 2629290, 3505720, 4206864, 5258580, 7011440, 10517160, 21034320]

約数ペア:

[(1, 21034320), (2, 10517160), (3, 7011440), (4, 5258580), (5, 4206864), (6, 3505720), (8, 2629290), (10, 2103432), (12, 1752860), (15, 1402288), (16, 1314645), (20, 1051716), (24, 876430), (30, 701144), (40, 525858), (48, 438215), (60, 350572), (80, 262929), (120, 175286), (240, 87643)]