21949070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15349}}^1$

素因数の和:15380

約数の個数: 32

約数和(自身を含む): 46418400

約数和(自身を除く): 24469330

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15349, 30698, 76745, 153490, 168839, 199537, 337678, 399074, 844195, 997685, 1688390, 1995370, 2194907, 4389814, 10974535, 21949070]

約数ペア:

[(1, 21949070), (2, 10974535), (5, 4389814), (10, 2194907), (11, 1995370), (13, 1688390), (22, 997685), (26, 844195), (55, 399074), (65, 337678), (110, 199537), (130, 168839), (143, 153490), (286, 76745), (715, 30698), (1430, 15349)]