21752803390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{254389}}^1$

素因数の和:254916

約数の個数: 32

約数和(自身を含む): 41540869440

約数和(自身を除く): 19788066050

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 503, 1006, 2515, 5030, 8551, 17102, 42755, 85510, 254389, 508778, 1271945, 2543890, 4324613, 8649226, 21623065, 43246130, 127957667, 255915334, 639788335, 1279576670, 2175280339, 4350560678, 10876401695, 21752803390]

約数ペア:

[(1, 21752803390), (2, 10876401695), (5, 4350560678), (10, 2175280339), (17, 1279576670), (34, 639788335), (85, 255915334), (170, 127957667), (503, 43246130), (1006, 21623065), (2515, 8649226), (5030, 4324613), (8551, 2543890), (17102, 1271945), (42755, 508778), (85510, 254389)]