21159215480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73849}}^1$

素因数の和:73921

約数の個数: 128

約数和(自身を含む): 55830600000

約数和(自身を除く): 34671384520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 232, 247, 260, 290, 377, 380, 494, 520, 551, 580, 754, 760, 988, 1102, 1160, 1235, 1508, 1885, 1976, 2204, 2470, 2755, 3016, 3770, 4408, 4940, 5510, 7163, 7540, 9880, 11020, 14326, 15080, 22040, 28652, 35815, 57304, 71630, 73849, 143260, 147698, 286520, 295396, 369245, 590792, 738490, 960037, 1403131, 1476980, 1920074, 2141621, 2806262, 2953960, 3840148, 4283242, 4800185, 5612524, 7015655, 7680296, 8566484, 9600370, 10708105, 11225048, 14031310, 17132968, 18240703, 19200740, 21416210, 27841073, 28062620, 36481406, 38401480, 40690799, 42832420, 55682146, 56125240, 72962812, 81381598, 85664840, 91203515, 111364292, 139205365, 145925624, 162763196, 182407030, 203453995, 222728584, 278410730, 325526392, 364814060, 406907990, 528980387, 556821460, 729628120, 813815980, 1057960774, 1113642920, 1627631960, 2115921548, 2644901935, 4231843096, 5289803870, 10579607740, 21159215480]

約数ペア:

[(1, 21159215480), (2, 10579607740), (4, 5289803870), (5, 4231843096), (8, 2644901935), (10, 2115921548), (13, 1627631960), (19, 1113642920), (20, 1057960774), (26, 813815980), (29, 729628120), (38, 556821460), (40, 528980387), (52, 406907990), (58, 364814060), (65, 325526392), (76, 278410730), (95, 222728584), (104, 203453995), (116, 182407030), (130, 162763196), (145, 145925624), (152, 139205365), (190, 111364292), (232, 91203515), (247, 85664840), (260, 81381598), (290, 72962812), (377, 56125240), (380, 55682146), (494, 42832420), (520, 40690799), (551, 38401480), (580, 36481406), (754, 28062620), (760, 27841073), (988, 21416210), (1102, 19200740), (1160, 18240703), (1235, 17132968), (1508, 14031310), (1885, 11225048), (1976, 10708105), (2204, 9600370), (2470, 8566484), (2755, 7680296), (3016, 7015655), (3770, 5612524), (4408, 4800185), (4940, 4283242), (5510, 3840148), (7163, 2953960), (7540, 2806262), (9880, 2141621), (11020, 1920074), (14326, 1476980), (15080, 1403131), (22040, 960037), (28652, 738490), (35815, 590792), (57304, 369245), (71630, 295396), (73849, 286520), (143260, 147698)]