21147529464

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{648379}}^1$

素因数の和:648545

約数の個数: 64

約数和(自身を含む): 59132256000

約数和(自身を除く): 37984726536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 906, 1208, 1359, 1812, 2718, 3624, 4077, 5436, 8154, 10872, 16308, 32616, 648379, 1296758, 1945137, 2593516, 3890274, 5187032, 5835411, 7780548, 11670822, 15561096, 17506233, 23341644, 35012466, 46683288, 70024932, 97905229, 140049864, 195810458, 293715687, 391620916, 587431374, 783241832, 881147061, 1174862748, 1762294122, 2349725496, 2643441183, 3524588244, 5286882366, 7049176488, 10573764732, 21147529464]

約数ペア:

[(1, 21147529464), (2, 10573764732), (3, 7049176488), (4, 5286882366), (6, 3524588244), (8, 2643441183), (9, 2349725496), (12, 1762294122), (18, 1174862748), (24, 881147061), (27, 783241832), (36, 587431374), (54, 391620916), (72, 293715687), (108, 195810458), (151, 140049864), (216, 97905229), (302, 70024932), (453, 46683288), (604, 35012466), (906, 23341644), (1208, 17506233), (1359, 15561096), (1812, 11670822), (2718, 7780548), (3624, 5835411), (4077, 5187032), (5436, 3890274), (8154, 2593516), (10872, 1945137), (16308, 1296758), (32616, 648379)]