21392340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3271}}^1$

素因数の和:3392

約数の個数: 48

約数和(自身を含む): 60466560

約数和(自身を除く): 39074220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 3271, 6540, 6542, 9813, 13084, 16355, 19626, 32710, 39252, 49065, 65420, 98130, 196260, 356539, 713078, 1069617, 1426156, 1782695, 2139234, 3565390, 4278468, 5348085, 7130780, 10696170, 21392340]

約数ペア:

[(1, 21392340), (2, 10696170), (3, 7130780), (4, 5348085), (5, 4278468), (6, 3565390), (10, 2139234), (12, 1782695), (15, 1426156), (20, 1069617), (30, 713078), (60, 356539), (109, 196260), (218, 98130), (327, 65420), (436, 49065), (545, 39252), (654, 32710), (1090, 19626), (1308, 16355), (1635, 13084), (2180, 9813), (3270, 6542), (3271, 6540)]