21676472

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 42311280

約数和(自身を除く): 20634808

約数列:

[1, 2, 4, 8, 43, 61, 86, 122, 172, 244, 344, 488, 1033, 2066, 2623, 4132, 5246, 8264, 10492, 20984, 44419, 63013, 88838, 126026, 177676, 252052, 355352, 504104, 2709559, 5419118, 10838236, 21676472]

約数ペア:

[(1, 21676472), (2, 10838236), (4, 5419118), (8, 2709559), (43, 504104), (61, 355352), (86, 252052), (122, 177676), (172, 126026), (244, 88838), (344, 63013), (488, 44419), (1033, 20984), (2066, 10492), (2623, 8264), (4132, 5246)]