21259070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1129}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 22675330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1129, 1345, 1883, 2258, 2690, 3766, 5645, 7903, 9415, 11290, 15806, 18830, 39515, 79030, 303701, 607402, 1518505, 2125907, 3037010, 4251814, 10629535, 21259070]

約数ペア:

[(1, 21259070), (2, 10629535), (5, 4251814), (7, 3037010), (10, 2125907), (14, 1518505), (35, 607402), (70, 303701), (269, 79030), (538, 39515), (1129, 18830), (1345, 15806), (1883, 11290), (2258, 9415), (2690, 7903), (3766, 5645)]