21093814

素因数分解:

$2^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 37396800

約数和(自身を除く): 16302986

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 317, 343, 634, 679, 686, 1358, 2219, 4438, 4753, 9506, 15533, 30749, 31066, 33271, 61498, 66542, 108731, 215243, 217462, 430486, 1506701, 3013402, 10546907, 21093814]

約数ペア:

[(1, 21093814), (2, 10546907), (7, 3013402), (14, 1506701), (49, 430486), (97, 217462), (98, 215243), (194, 108731), (317, 66542), (343, 61498), (634, 33271), (679, 31066), (686, 30749), (1358, 15533), (2219, 9506), (4438, 4753)]