21090564

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 61246080

約数和(自身を除く): 40155516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 41, 44, 54, 66, 82, 99, 108, 123, 132, 164, 198, 246, 297, 369, 396, 433, 451, 492, 594, 738, 866, 902, 1107, 1188, 1299, 1353, 1476, 1732, 1804, 2214, 2598, 2706, 3897, 4059, 4428, 4763, 5196, 5412, 7794, 8118, 9526, 11691, 12177, 14289, 15588, 16236, 17753, 19052, 23382, 24354, 28578, 35506, 42867, 46764, 48708, 53259, 57156, 71012, 85734, 106518, 128601, 159777, 171468, 195283, 213036, 257202, 319554, 390566, 479331, 514404, 585849, 639108, 781132, 958662, 1171698, 1757547, 1917324, 2343396, 3515094, 5272641, 7030188, 10545282, 21090564]

約数ペア:

[(1, 21090564), (2, 10545282), (3, 7030188), (4, 5272641), (6, 3515094), (9, 2343396), (11, 1917324), (12, 1757547), (18, 1171698), (22, 958662), (27, 781132), (33, 639108), (36, 585849), (41, 514404), (44, 479331), (54, 390566), (66, 319554), (82, 257202), (99, 213036), (108, 195283), (123, 171468), (132, 159777), (164, 128601), (198, 106518), (246, 85734), (297, 71012), (369, 57156), (396, 53259), (433, 48708), (451, 46764), (492, 42867), (594, 35506), (738, 28578), (866, 24354), (902, 23382), (1107, 19052), (1188, 17753), (1299, 16236), (1353, 15588), (1476, 14289), (1732, 12177), (1804, 11691), (2214, 9526), (2598, 8118), (2706, 7794), (3897, 5412), (4059, 5196), (4428, 4763)]