21894928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4013}}^1$

素因数の和:4063

約数の個数: 40

約数和(自身を含む): 47782656

約数和(自身を除く): 25887728

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 4013, 5456, 8026, 16052, 32104, 44143, 64208, 88286, 124403, 176572, 248806, 353144, 497612, 706288, 995224, 1368433, 1990448, 2736866, 5473732, 10947464, 21894928]

約数ペア:

[(1, 21894928), (2, 10947464), (4, 5473732), (8, 2736866), (11, 1990448), (16, 1368433), (22, 995224), (31, 706288), (44, 497612), (62, 353144), (88, 248806), (124, 176572), (176, 124403), (248, 88286), (341, 64208), (496, 44143), (682, 32104), (1364, 16052), (2728, 8026), (4013, 5456)]