21499872

素因数分解:

$2^5\times 3^1\times {\mathrm{281}}^1\times {\mathrm{797}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 56709072

約数和(自身を除く): 35209200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 281, 562, 797, 843, 1124, 1594, 1686, 2248, 2391, 3188, 3372, 4496, 4782, 6376, 6744, 8992, 9564, 12752, 13488, 19128, 25504, 26976, 38256, 76512, 223957, 447914, 671871, 895828, 1343742, 1791656, 2687484, 3583312, 5374968, 7166624, 10749936, 21499872]

約数ペア:

[(1, 21499872), (2, 10749936), (3, 7166624), (4, 5374968), (6, 3583312), (8, 2687484), (12, 1791656), (16, 1343742), (24, 895828), (32, 671871), (48, 447914), (96, 223957), (281, 76512), (562, 38256), (797, 26976), (843, 25504), (1124, 19128), (1594, 13488), (1686, 12752), (2248, 9564), (2391, 8992), (3188, 6744), (3372, 6376), (4496, 4782)]