21057408

素因数分解:

$2^7\times 3^5\times {\mathrm{677}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 62931960

約数和(自身を除く): 41874552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 677, 864, 972, 1152, 1296, 1354, 1728, 1944, 2031, 2592, 2708, 3456, 3888, 4062, 5184, 5416, 6093, 7776, 8124, 10368, 10832, 12186, 15552, 16248, 18279, 21664, 24372, 31104, 32496, 36558, 43328, 48744, 54837, 64992, 73116, 86656, 97488, 109674, 129984, 146232, 164511, 194976, 219348, 259968, 292464, 329022, 389952, 438696, 584928, 658044, 779904, 877392, 1169856, 1316088, 1754784, 2339712, 2632176, 3509568, 5264352, 7019136, 10528704, 21057408]

約数ペア:

[(1, 21057408), (2, 10528704), (3, 7019136), (4, 5264352), (6, 3509568), (8, 2632176), (9, 2339712), (12, 1754784), (16, 1316088), (18, 1169856), (24, 877392), (27, 779904), (32, 658044), (36, 584928), (48, 438696), (54, 389952), (64, 329022), (72, 292464), (81, 259968), (96, 219348), (108, 194976), (128, 164511), (144, 146232), (162, 129984), (192, 109674), (216, 97488), (243, 86656), (288, 73116), (324, 64992), (384, 54837), (432, 48744), (486, 43328), (576, 36558), (648, 32496), (677, 31104), (864, 24372), (972, 21664), (1152, 18279), (1296, 16248), (1354, 15552), (1728, 12186), (1944, 10832), (2031, 10368), (2592, 8124), (2708, 7776), (3456, 6093), (3888, 5416), (4062, 5184)]