21282240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3167}}^1$

素因数の和:3194

約数の個数: 112

約数和(自身を含む): 77248512

約数和(自身を除く): 55966272

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, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3167, 3360, 6334, 6720, 9501, 12668, 15835, 19002, 22169, 25336, 31670, 38004, 44338, 47505, 50672, 63340, 66507, 76008, 88676, 95010, 101344, 110845, 126680, 133014, 152016, 177352, 190020, 202688, 221690, 253360, 266028, 304032, 332535, 354704, 380040, 443380, 506720, 532056, 608064, 665070, 709408, 760080, 886760, 1013440, 1064112, 1330140, 1418816, 1520160, 1773520, 2128224, 2660280, 3040320, 3547040, 4256448, 5320560, 7094080, 10641120, 21282240]

約数ペア:

[(1, 21282240), (2, 10641120), (3, 7094080), (4, 5320560), (5, 4256448), (6, 3547040), (7, 3040320), (8, 2660280), (10, 2128224), (12, 1773520), (14, 1520160), (15, 1418816), (16, 1330140), (20, 1064112), (21, 1013440), (24, 886760), (28, 760080), (30, 709408), (32, 665070), (35, 608064), (40, 532056), (42, 506720), (48, 443380), (56, 380040), (60, 354704), (64, 332535), (70, 304032), (80, 266028), (84, 253360), (96, 221690), (105, 202688), (112, 190020), (120, 177352), (140, 152016), (160, 133014), (168, 126680), (192, 110845), (210, 101344), (224, 95010), (240, 88676), (280, 76008), (320, 66507), (336, 63340), (420, 50672), (448, 47505), (480, 44338), (560, 38004), (672, 31670), (840, 25336), (960, 22169), (1120, 19002), (1344, 15835), (1680, 12668), (2240, 9501), (3167, 6720), (3360, 6334)]