21518016

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 112

約数和(自身を含む): 63239904

約数和(自身を除く): 41721888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 64, 74, 78, 96, 104, 111, 148, 156, 192, 208, 222, 233, 296, 312, 416, 444, 466, 481, 592, 624, 699, 832, 888, 932, 962, 1184, 1248, 1398, 1443, 1776, 1864, 1924, 2368, 2496, 2796, 2886, 3029, 3552, 3728, 3848, 5592, 5772, 6058, 7104, 7456, 7696, 8621, 9087, 11184, 11544, 12116, 14912, 15392, 17242, 18174, 22368, 23088, 24232, 25863, 30784, 34484, 36348, 44736, 46176, 48464, 51726, 68968, 72696, 92352, 96928, 103452, 112073, 137936, 145392, 193856, 206904, 224146, 275872, 290784, 336219, 413808, 448292, 551744, 581568, 672438, 827616, 896584, 1344876, 1655232, 1793168, 2689752, 3586336, 5379504, 7172672, 10759008, 21518016]

約数ペア:

[(1, 21518016), (2, 10759008), (3, 7172672), (4, 5379504), (6, 3586336), (8, 2689752), (12, 1793168), (13, 1655232), (16, 1344876), (24, 896584), (26, 827616), (32, 672438), (37, 581568), (39, 551744), (48, 448292), (52, 413808), (64, 336219), (74, 290784), (78, 275872), (96, 224146), (104, 206904), (111, 193856), (148, 145392), (156, 137936), (192, 112073), (208, 103452), (222, 96928), (233, 92352), (296, 72696), (312, 68968), (416, 51726), (444, 48464), (466, 46176), (481, 44736), (592, 36348), (624, 34484), (699, 30784), (832, 25863), (888, 24232), (932, 23088), (962, 22368), (1184, 18174), (1248, 17242), (1398, 15392), (1443, 14912), (1776, 12116), (1864, 11544), (1924, 11184), (2368, 9087), (2496, 8621), (2796, 7696), (2886, 7456), (3029, 7104), (3552, 6058), (3728, 5772), (3848, 5592)]