21188130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6857}}^1$

素因数の和:6970

約数の個数: 32

約数和(自身を含む): 51352704

約数和(自身を除く): 30164574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6857, 13714, 20571, 34285, 41142, 68570, 102855, 205710, 706271, 1412542, 2118813, 3531355, 4237626, 7062710, 10594065, 21188130]

約数ペア:

[(1, 21188130), (2, 10594065), (3, 7062710), (5, 4237626), (6, 3531355), (10, 2118813), (15, 1412542), (30, 706271), (103, 205710), (206, 102855), (309, 68570), (515, 41142), (618, 34285), (1030, 20571), (1545, 13714), (3090, 6857)]