16990806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1019}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 38972160

約数和(自身を除く): 21981354

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1019, 1191, 2038, 2382, 2779, 3057, 5558, 6114, 7133, 8337, 14266, 16674, 21399, 42798, 404543, 809086, 1213629, 2427258, 2831801, 5663602, 8495403, 16990806]

約数ペア:

[(1, 16990806), (2, 8495403), (3, 5663602), (6, 2831801), (7, 2427258), (14, 1213629), (21, 809086), (42, 404543), (397, 42798), (794, 21399), (1019, 16674), (1191, 14266), (2038, 8337), (2382, 7133), (2779, 6114), (3057, 5558)]