21635328

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 67991616

約数和(自身を除く): 46356288

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 192, 197, 208, 256, 264, 286, 312, 352, 384, 394, 416, 429, 528, 572, 591, 624, 704, 768, 788, 832, 858, 1056, 1144, 1182, 1248, 1408, 1576, 1664, 1716, 2112, 2167, 2288, 2364, 2496, 2561, 2816, 3152, 3328, 3432, 4224, 4334, 4576, 4728, 4992, 5122, 6304, 6501, 6864, 7683, 8448, 8668, 9152, 9456, 9984, 10244, 12608, 13002, 13728, 15366, 17336, 18304, 18912, 20488, 25216, 26004, 27456, 28171, 30732, 34672, 36608, 37824, 40976, 50432, 52008, 54912, 56342, 61464, 69344, 75648, 81952, 84513, 104016, 109824, 112684, 122928, 138688, 151296, 163904, 169026, 208032, 225368, 245856, 277376, 327808, 338052, 416064, 450736, 491712, 554752, 655616, 676104, 832128, 901472, 983424, 1352208, 1664256, 1802944, 1966848, 2704416, 3605888, 5408832, 7211776, 10817664, 21635328]

約数ペア:

[(1, 21635328), (2, 10817664), (3, 7211776), (4, 5408832), (6, 3605888), (8, 2704416), (11, 1966848), (12, 1802944), (13, 1664256), (16, 1352208), (22, 983424), (24, 901472), (26, 832128), (32, 676104), (33, 655616), (39, 554752), (44, 491712), (48, 450736), (52, 416064), (64, 338052), (66, 327808), (78, 277376), (88, 245856), (96, 225368), (104, 208032), (128, 169026), (132, 163904), (143, 151296), (156, 138688), (176, 122928), (192, 112684), (197, 109824), (208, 104016), (256, 84513), (264, 81952), (286, 75648), (312, 69344), (352, 61464), (384, 56342), (394, 54912), (416, 52008), (429, 50432), (528, 40976), (572, 37824), (591, 36608), (624, 34672), (704, 30732), (768, 28171), (788, 27456), (832, 26004), (858, 25216), (1056, 20488), (1144, 18912), (1182, 18304), (1248, 17336), (1408, 15366), (1576, 13728), (1664, 13002), (1716, 12608), (2112, 10244), (2167, 9984), (2288, 9456), (2364, 9152), (2496, 8668), (2561, 8448), (2816, 7683), (3152, 6864), (3328, 6501), (3432, 6304), (4224, 5122), (4334, 4992), (4576, 4728)]