21066784128

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:144

約数の個数: 1024

約数和(自身を含む): 78140160000

約数和(自身を除く): 57073375872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 23, 24, 26, 27, 29, 32, 36, 37, 38, 39, 46, 48, 52, 54, 57, 58, 64, 69, 72, 74, 76, 78, 87, 92, 96, 104, 108, 111, 114, 116, 117, 128, 138, 144, 148, 152, 156, 171, 174, 184, 192, 207, 208, 216, 222, 228, 232, 234, 247, 261, 276, 288, 296, 299, 304, 312, 333, 342, 348, 351, 368, 377, 384, 414, 416, 432, 437, 444, 456, 464, 468, 481, 494, 513, 522, 551, 552, 576, 592, 598, 608, 621, 624, 666, 667, 684, 696, 702, 703, 736, 741, 754, 783, 828, 832, 851, 864, 874, 888, 897, 912, 928, 936, 962, 988, 999, 1026, 1044, 1073, 1102, 1104, 1131, 1152, 1184, 1196, 1216, 1242, 1248, 1311, 1332, 1334, 1368, 1392, 1404, 1406, 1443, 1472, 1482, 1508, 1566, 1653, 1656, 1664, 1702, 1728, 1748, 1776, 1794, 1824, 1856, 1872, 1924, 1976, 1998, 2001, 2052, 2088, 2109, 2146, 2204, 2208, 2223, 2262, 2368, 2392, 2432, 2484, 2496, 2553, 2622, 2664, 2668, 2691, 2736, 2784, 2808, 2812, 2886, 2944, 2964, 3016, 3132, 3219, 3306, 3312, 3393, 3404, 3456, 3496, 3552, 3588, 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約数ペア:

[(1, 21066784128), (2, 10533392064), (3, 7022261376), (4, 5266696032), (6, 3511130688), (8, 2633348016), (9, 2340753792), (12, 1755565344), (13, 1620521856), (16, 1316674008), (18, 1170376896), (19, 1108778112), (23, 915947136), (24, 877782672), (26, 810260928), (27, 780251264), (29, 726440832), (32, 658337004), (36, 585188448), (37, 569372544), (38, 554389056), (39, 540173952), (46, 457973568), (48, 438891336), (52, 405130464), (54, 390125632), (57, 369592704), (58, 363220416), (64, 329168502), (69, 305315712), (72, 292594224), (74, 284686272), (76, 277194528), (78, 270086976), (87, 242146944), (92, 228986784), (96, 219445668), (104, 202565232), (108, 195062816), (111, 189790848), (114, 184796352), (116, 181610208), (117, 180057984), (128, 164584251), (138, 152657856), (144, 146297112), (148, 142343136), (152, 138597264), (156, 135043488), (171, 123197568), (174, 121073472), (184, 114493392), (192, 109722834), (207, 101771904), (208, 101282616), (216, 97531408), (222, 94895424), (228, 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