21514746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 47226816

約数和(自身を除く): 25712070

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 181, 362, 543, 1086, 1801, 1991, 3602, 3982, 5403, 5973, 10806, 11946, 19811, 39622, 59433, 118866, 325981, 651962, 977943, 1955886, 3585791, 7171582, 10757373, 21514746]

約数ペア:

[(1, 21514746), (2, 10757373), (3, 7171582), (6, 3585791), (11, 1955886), (22, 977943), (33, 651962), (66, 325981), (181, 118866), (362, 59433), (543, 39622), (1086, 19811), (1801, 11946), (1991, 10806), (3602, 5973), (3982, 5403)]