21444690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 32137134

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 67, 94, 134, 141, 201, 227, 235, 282, 335, 402, 454, 470, 670, 681, 705, 1005, 1135, 1362, 1410, 2010, 2270, 3149, 3405, 6298, 6810, 9447, 10669, 15209, 15745, 18894, 21338, 30418, 31490, 32007, 45627, 47235, 53345, 64014, 76045, 91254, 94470, 106690, 152090, 160035, 228135, 320070, 456270, 714823, 1429646, 2144469, 3574115, 4288938, 7148230, 10722345, 21444690]

約数ペア:

[(1, 21444690), (2, 10722345), (3, 7148230), (5, 4288938), (6, 3574115), (10, 2144469), (15, 1429646), (30, 714823), (47, 456270), (67, 320070), (94, 228135), (134, 160035), (141, 152090), (201, 106690), (227, 94470), (235, 91254), (282, 76045), (335, 64014), (402, 53345), (454, 47235), (470, 45627), (670, 32007), (681, 31490), (705, 30418), (1005, 21338), (1135, 18894), (1362, 15745), (1410, 15209), (2010, 10669), (2270, 9447), (3149, 6810), (3405, 6298)]