21356148

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 38252940

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 31, 33, 34, 44, 51, 62, 66, 68, 93, 102, 124, 132, 186, 187, 204, 307, 341, 372, 374, 527, 561, 614, 682, 748, 921, 1023, 1054, 1122, 1228, 1364, 1581, 1842, 2046, 2108, 2244, 3162, 3377, 3684, 4092, 5219, 5797, 6324, 6754, 9517, 10131, 10438, 11594, 13508, 15657, 17391, 19034, 20262, 20876, 23188, 28551, 31314, 34782, 38068, 40524, 57102, 57409, 62628, 69564, 104687, 114204, 114818, 161789, 172227, 209374, 229636, 314061, 323578, 344454, 418748, 485367, 628122, 647156, 688908, 970734, 1256244, 1779679, 1941468, 3559358, 5339037, 7118716, 10678074, 21356148]

約数ペア:

[(1, 21356148), (2, 10678074), (3, 7118716), (4, 5339037), (6, 3559358), (11, 1941468), (12, 1779679), (17, 1256244), (22, 970734), (31, 688908), (33, 647156), (34, 628122), (44, 485367), (51, 418748), (62, 344454), (66, 323578), (68, 314061), (93, 229636), (102, 209374), (124, 172227), (132, 161789), (186, 114818), (187, 114204), (204, 104687), (307, 69564), (341, 62628), (372, 57409), (374, 57102), (527, 40524), (561, 38068), (614, 34782), (682, 31314), (748, 28551), (921, 23188), (1023, 20876), (1054, 20262), (1122, 19034), (1228, 17391), (1364, 15657), (1581, 13508), (1842, 11594), (2046, 10438), (2108, 10131), (2244, 9517), (3162, 6754), (3377, 6324), (3684, 5797), (4092, 5219)]