2121211456

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{379}}^1$

素因数の和:473

約数の個数: 168

約数和(自身を含む): 5367284160

約数和(自身を除く): 3246072704

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 379, 403, 416, 434, 448, 496, 728, 758, 806, 832, 868, 961, 992, 1456, 1516, 1612, 1736, 1922, 1984, 2653, 2821, 2912, 3032, 3224, 3472, 3844, 4927, 5306, 5642, 5824, 6064, 6448, 6727, 6944, 7688, 9854, 10612, 11284, 11749, 12128, 12493, 12896, 13454, 13888, 15376, 19708, 21224, 22568, 23498, 24256, 24986, 25792, 26908, 30752, 34489, 39416, 42448, 45136, 46996, 49972, 53816, 61504, 68978, 78832, 82243, 84896, 87451, 90272, 93992, 99944, 107632, 137956, 152737, 157664, 164486, 169792, 174902, 180544, 187984, 199888, 215264, 275912, 305474, 315328, 328972, 349804, 364219, 375968, 399776, 430528, 551824, 610948, 657944, 699608, 728438, 751936, 799552, 1069159, 1103648, 1221896, 1315888, 1399216, 1456876, 2138318, 2207296, 2443792, 2549533, 2631776, 2798432, 2913752, 4276636, 4734847, 4887584, 5099066, 5263552, 5596864, 5827504, 8553272, 9469694, 9775168, 10198132, 11655008, 17106544, 18939388, 20396264, 23310016, 33143929, 34213088, 37878776, 40792528, 66287858, 68426176, 75757552, 81585056, 132575716, 151515104, 163170112, 265151432, 303030208, 530302864, 1060605728, 2121211456]

約数ペア:

[(1, 2121211456), (2, 1060605728), (4, 530302864), (7, 303030208), (8, 265151432), (13, 163170112), (14, 151515104), (16, 132575716), (26, 81585056), (28, 75757552), (31, 68426176), (32, 66287858), (52, 40792528), (56, 37878776), (62, 34213088), (64, 33143929), (91, 23310016), (104, 20396264), (112, 18939388), (124, 17106544), (182, 11655008), (208, 10198132), (217, 9775168), (224, 9469694), (248, 8553272), (364, 5827504), (379, 5596864), (403, 5263552), (416, 5099066), (434, 4887584), (448, 4734847), (496, 4276636), (728, 2913752), (758, 2798432), (806, 2631776), (832, 2549533), (868, 2443792), (961, 2207296), (992, 2138318), (1456, 1456876), (1516, 1399216), (1612, 1315888), (1736, 1221896), (1922, 1103648), (1984, 1069159), (2653, 799552), (2821, 751936), (2912, 728438), (3032, 699608), (3224, 657944), (3472, 610948), (3844, 551824), (4927, 430528), (5306, 399776), (5642, 375968), (5824, 364219), (6064, 349804), (6448, 328972), (6727, 315328), (6944, 305474), (7688, 275912), (9854, 215264), (10612, 199888), (11284, 187984), (11749, 180544), (12128, 174902), (12493, 169792), (12896, 164486), (13454, 157664), (13888, 152737), (15376, 137956), (19708, 107632), (21224, 99944), (22568, 93992), (23498, 90272), (24256, 87451), (24986, 84896), (25792, 82243), (26908, 78832), (30752, 68978), (34489, 61504), (39416, 53816), (42448, 49972), (45136, 46996)]