21075150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1413

約数の個数: 48

約数和(自身を含む): 52786800

約数和(自身を除く): 31711650

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 150, 218, 327, 545, 654, 1090, 1289, 1635, 2578, 2725, 3270, 3867, 5450, 6445, 7734, 8175, 12890, 16350, 19335, 32225, 38670, 64450, 96675, 140501, 193350, 281002, 421503, 702505, 843006, 1405010, 2107515, 3512525, 4215030, 7025050, 10537575, 21075150]

約数ペア:

[(1, 21075150), (2, 10537575), (3, 7025050), (5, 4215030), (6, 3512525), (10, 2107515), (15, 1405010), (25, 843006), (30, 702505), (50, 421503), (75, 281002), (109, 193350), (150, 140501), (218, 96675), (327, 64450), (545, 38670), (654, 32225), (1090, 19335), (1289, 16350), (1635, 12890), (2578, 8175), (2725, 7734), (3270, 6445), (3867, 5450)]