21471390496

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{769}}^1\times {\mathrm{2417}}^1$

素因数の和:3234

約数の個数: 72

約数和(自身を含む): 44690225580

約数和(自身を除く): 23218835084

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 769, 1444, 1538, 2417, 2888, 3076, 4834, 5776, 6152, 9668, 11552, 12304, 14611, 19336, 24608, 29222, 38672, 45923, 58444, 77344, 91846, 116888, 183692, 233776, 277609, 367384, 467552, 555218, 734768, 872537, 1110436, 1469536, 1745074, 1858673, 2220872, 3490148, 3717346, 4441744, 6980296, 7434692, 8883488, 13960592, 14869384, 27921184, 29738768, 35314787, 59477536, 70629574, 141259148, 282518296, 565036592, 670980953, 1130073184, 1341961906, 2683923812, 5367847624, 10735695248, 21471390496]

約数ペア:

[(1, 21471390496), (2, 10735695248), (4, 5367847624), (8, 2683923812), (16, 1341961906), (19, 1130073184), (32, 670980953), (38, 565036592), (76, 282518296), (152, 141259148), (304, 70629574), (361, 59477536), (608, 35314787), (722, 29738768), (769, 27921184), (1444, 14869384), (1538, 13960592), (2417, 8883488), (2888, 7434692), (3076, 6980296), (4834, 4441744), (5776, 3717346), (6152, 3490148), (9668, 2220872), (11552, 1858673), (12304, 1745074), (14611, 1469536), (19336, 1110436), (24608, 872537), (29222, 734768), (38672, 555218), (45923, 467552), (58444, 367384), (77344, 277609), (91846, 233776), (116888, 183692)]