21663270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14159}}^1$

素因数の和:14189

約数の個数: 48

約数和(自身を含む): 59641920

約数和(自身を除く): 37978650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 14159, 28318, 42477, 70795, 84954, 127431, 141590, 212385, 240703, 254862, 424770, 481406, 637155, 722109, 1203515, 1274310, 1444218, 2166327, 2407030, 3610545, 4332654, 7221090, 10831635, 21663270]

約数ペア:

[(1, 21663270), (2, 10831635), (3, 7221090), (5, 4332654), (6, 3610545), (9, 2407030), (10, 2166327), (15, 1444218), (17, 1274310), (18, 1203515), (30, 722109), (34, 637155), (45, 481406), (51, 424770), (85, 254862), (90, 240703), (102, 212385), (153, 141590), (170, 127431), (255, 84954), (306, 70795), (510, 42477), (765, 28318), (1530, 14159)]