21221310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 56173824

約数和(自身を除く): 34952514

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 107, 110, 165, 214, 321, 330, 535, 601, 642, 1070, 1177, 1202, 1605, 1803, 2354, 3005, 3210, 3531, 3606, 5885, 6010, 6611, 7062, 9015, 11770, 13222, 17655, 18030, 19833, 33055, 35310, 39666, 64307, 66110, 99165, 128614, 192921, 198330, 321535, 385842, 643070, 707377, 964605, 1414754, 1929210, 2122131, 3536885, 4244262, 7073770, 10610655, 21221310]

約数ペア:

[(1, 21221310), (2, 10610655), (3, 7073770), (5, 4244262), (6, 3536885), (10, 2122131), (11, 1929210), (15, 1414754), (22, 964605), (30, 707377), (33, 643070), (55, 385842), (66, 321535), (107, 198330), (110, 192921), (165, 128614), (214, 99165), (321, 66110), (330, 64307), (535, 39666), (601, 35310), (642, 33055), (1070, 19833), (1177, 18030), (1202, 17655), (1605, 13222), (1803, 11770), (2354, 9015), (3005, 7062), (3210, 6611), (3531, 6010), (3606, 5885)]