21551586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 30979614

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 113, 114, 133, 226, 239, 266, 339, 399, 478, 678, 717, 791, 798, 1434, 1582, 1673, 2147, 2373, 3346, 4294, 4541, 4746, 5019, 6441, 9082, 10038, 12882, 13623, 15029, 27007, 27246, 30058, 31787, 45087, 54014, 63574, 81021, 90174, 95361, 162042, 189049, 190722, 378098, 513133, 567147, 1026266, 1134294, 1539399, 3078798, 3591931, 7183862, 10775793, 21551586]

約数ペア:

[(1, 21551586), (2, 10775793), (3, 7183862), (6, 3591931), (7, 3078798), (14, 1539399), (19, 1134294), (21, 1026266), (38, 567147), (42, 513133), (57, 378098), (113, 190722), (114, 189049), (133, 162042), (226, 95361), (239, 90174), (266, 81021), (339, 63574), (399, 54014), (478, 45087), (678, 31787), (717, 30058), (791, 27246), (798, 27007), (1434, 15029), (1582, 13623), (1673, 12882), (2147, 10038), (2373, 9082), (3346, 6441), (4294, 5019), (4541, 4746)]