21289104

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1084

約数の個数: 60

約数和(自身を含む): 60011536

約数和(自身を除く): 38722432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 326, 489, 652, 907, 978, 1304, 1467, 1814, 1956, 2608, 2721, 2934, 3628, 3912, 5442, 5868, 7256, 7824, 8163, 10884, 11736, 14512, 16326, 21768, 23472, 32652, 43536, 65304, 130608, 147841, 295682, 443523, 591364, 887046, 1182728, 1330569, 1774092, 2365456, 2661138, 3548184, 5322276, 7096368, 10644552, 21289104]

約数ペア:

[(1, 21289104), (2, 10644552), (3, 7096368), (4, 5322276), (6, 3548184), (8, 2661138), (9, 2365456), (12, 1774092), (16, 1330569), (18, 1182728), (24, 887046), (36, 591364), (48, 443523), (72, 295682), (144, 147841), (163, 130608), (326, 65304), (489, 43536), (652, 32652), (907, 23472), (978, 21768), (1304, 16326), (1467, 14512), (1814, 11736), (1956, 10884), (2608, 8163), (2721, 7824), (2934, 7256), (3628, 5868), (3912, 5442)]