21700888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12979}}^1$

素因数の和:13015

約数の個数: 32

約数和(自身を含む): 46728000

約数和(自身を除く): 25027112

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12979, 25958, 51916, 103832, 142769, 246601, 285538, 493202, 571076, 986404, 1142152, 1972808, 2712611, 5425222, 10850444, 21700888]

約数ペア:

[(1, 21700888), (2, 10850444), (4, 5425222), (8, 2712611), (11, 1972808), (19, 1142152), (22, 986404), (38, 571076), (44, 493202), (76, 285538), (88, 246601), (152, 142769), (209, 103832), (418, 51916), (836, 25958), (1672, 12979)]