21681300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{72271}}^1$

素因数の和:72288

約数の個数: 36

約数和(自身を含む): 62732096

約数和(自身を除く): 41050796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 72271, 144542, 216813, 289084, 361355, 433626, 722710, 867252, 1084065, 1445420, 1806775, 2168130, 3613550, 4336260, 5420325, 7227100, 10840650, 21681300]

約数ペア:

[(1, 21681300), (2, 10840650), (3, 7227100), (4, 5420325), (5, 4336260), (6, 3613550), (10, 2168130), (12, 1806775), (15, 1445420), (20, 1084065), (25, 867252), (30, 722710), (50, 433626), (60, 361355), (75, 289084), (100, 216813), (150, 144542), (300, 72271)]