21030720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1192

約数の個数: 112

約数和(自身を含む): 70347840

約数和(自身を除く): 49317120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1153, 1216, 1520, 1824, 2280, 2306, 3040, 3459, 3648, 4560, 4612, 5765, 6080, 6918, 9120, 9224, 11530, 13836, 17295, 18240, 18448, 21907, 23060, 27672, 34590, 36896, 43814, 46120, 55344, 65721, 69180, 73792, 87628, 92240, 109535, 110688, 131442, 138360, 175256, 184480, 219070, 221376, 262884, 276720, 328605, 350512, 368960, 438140, 525768, 553440, 657210, 701024, 876280, 1051536, 1106880, 1314420, 1402048, 1752560, 2103072, 2628840, 3505120, 4206144, 5257680, 7010240, 10515360, 21030720]

約数ペア:

[(1, 21030720), (2, 10515360), (3, 7010240), (4, 5257680), (5, 4206144), (6, 3505120), (8, 2628840), (10, 2103072), (12, 1752560), (15, 1402048), (16, 1314420), (19, 1106880), (20, 1051536), (24, 876280), (30, 701024), (32, 657210), (38, 553440), (40, 525768), (48, 438140), (57, 368960), (60, 350512), (64, 328605), (76, 276720), (80, 262884), (95, 221376), (96, 219070), (114, 184480), (120, 175256), (152, 138360), (160, 131442), (190, 110688), (192, 109535), (228, 92240), (240, 87628), (285, 73792), (304, 69180), (320, 65721), (380, 55344), (456, 46120), (480, 43814), (570, 36896), (608, 34590), (760, 27672), (912, 23060), (960, 21907), (1140, 18448), (1153, 18240), (1216, 17295), (1520, 13836), (1824, 11530), (2280, 9224), (2306, 9120), (3040, 6918), (3459, 6080), (3648, 5765), (4560, 4612)]