21343620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2801}}^1$

素因数の和:2940

約数の個数: 48

約数和(自身を含む): 60254208

約数和(自身を除く): 38910588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2801, 3810, 5602, 7620, 8403, 11204, 14005, 16806, 28010, 33612, 42015, 56020, 84030, 168060, 355727, 711454, 1067181, 1422908, 1778635, 2134362, 3557270, 4268724, 5335905, 7114540, 10671810, 21343620]

約数ペア:

[(1, 21343620), (2, 10671810), (3, 7114540), (4, 5335905), (5, 4268724), (6, 3557270), (10, 2134362), (12, 1778635), (15, 1422908), (20, 1067181), (30, 711454), (60, 355727), (127, 168060), (254, 84030), (381, 56020), (508, 42015), (635, 33612), (762, 28010), (1270, 16806), (1524, 14005), (1905, 11204), (2540, 8403), (2801, 7620), (3810, 5602)]