21911148

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9661}}^1$

素因数の和:9684

約数の個数: 60

約数和(自身を含む): 65469712

約数和(自身を除く): 43558564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9661, 19322, 28983, 38644, 57966, 67627, 86949, 115932, 135254, 173898, 202881, 260847, 270508, 347796, 405762, 521694, 608643, 782541, 811524, 1043388, 1217286, 1565082, 1825929, 2434572, 3130164, 3651858, 5477787, 7303716, 10955574, 21911148]

約数ペア:

[(1, 21911148), (2, 10955574), (3, 7303716), (4, 5477787), (6, 3651858), (7, 3130164), (9, 2434572), (12, 1825929), (14, 1565082), (18, 1217286), (21, 1043388), (27, 811524), (28, 782541), (36, 608643), (42, 521694), (54, 405762), (63, 347796), (81, 270508), (84, 260847), (108, 202881), (126, 173898), (162, 135254), (189, 115932), (252, 86949), (324, 67627), (378, 57966), (567, 38644), (756, 28983), (1134, 19322), (2268, 9661)]