21081300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70271}}^1$

素因数の和:70288

約数の個数: 36

約数和(自身を含む): 60996096

約数和(自身を除く): 39914796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70271, 140542, 210813, 281084, 351355, 421626, 702710, 843252, 1054065, 1405420, 1756775, 2108130, 3513550, 4216260, 5270325, 7027100, 10540650, 21081300]

約数ペア:

[(1, 21081300), (2, 10540650), (3, 7027100), (4, 5270325), (5, 4216260), (6, 3513550), (10, 2108130), (12, 1756775), (15, 1405420), (20, 1054065), (25, 843252), (30, 702710), (50, 421626), (60, 351355), (75, 281084), (100, 210813), (150, 140542), (300, 70271)]