21346080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6353}}^1$

素因数の和:6378

約数の個数: 96

約数和(自身を含む): 76857984

約数和(自身を除く): 55511904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6353, 12706, 19059, 25412, 31765, 38118, 44471, 50824, 63530, 76236, 88942, 95295, 101648, 127060, 133413, 152472, 177884, 190590, 203296, 222355, 254120, 266826, 304944, 355768, 381180, 444710, 508240, 533652, 609888, 667065, 711536, 762360, 889420, 1016480, 1067304, 1334130, 1423072, 1524720, 1778840, 2134608, 2668260, 3049440, 3557680, 4269216, 5336520, 7115360, 10673040, 21346080]

約数ペア:

[(1, 21346080), (2, 10673040), (3, 7115360), (4, 5336520), (5, 4269216), (6, 3557680), (7, 3049440), (8, 2668260), (10, 2134608), (12, 1778840), (14, 1524720), (15, 1423072), (16, 1334130), (20, 1067304), (21, 1016480), (24, 889420), (28, 762360), (30, 711536), (32, 667065), (35, 609888), (40, 533652), (42, 508240), (48, 444710), (56, 381180), (60, 355768), (70, 304944), (80, 266826), (84, 254120), (96, 222355), (105, 203296), (112, 190590), (120, 177884), (140, 152472), (160, 133413), (168, 127060), (210, 101648), (224, 95295), (240, 88942), (280, 76236), (336, 63530), (420, 50824), (480, 44471), (560, 38118), (672, 31765), (840, 25412), (1120, 19059), (1680, 12706), (3360, 6353)]