21084390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{234271}}^1$

素因数の和:234284

約数の個数: 24

約数和(自身を含む): 54819648

約数和(自身を除く): 33735258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 234271, 468542, 702813, 1171355, 1405626, 2108439, 2342710, 3514065, 4216878, 7028130, 10542195, 21084390]

約数ペア:

[(1, 21084390), (2, 10542195), (3, 7028130), (5, 4216878), (6, 3514065), (9, 2342710), (10, 2108439), (15, 1405626), (18, 1171355), (30, 702813), (45, 468542), (90, 234271)]