21091080147364

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1\times {\mathrm{7528517}}^1$

素因数の和:7529404

約数の個数: 48

約数和(自身を含む): 39603136543488

約数和(自身を除く): 18512056396124

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 823, 851, 1646, 1702, 3292, 3404, 18929, 30451, 37858, 60902, 75716, 121804, 700373, 1400746, 2801492, 7528517, 15057034, 30114068, 173155891, 278555129, 346311782, 557110258, 692623564, 1114220516, 6195969491, 6406767967, 12391938982, 12813535934, 24783877964, 25627071868, 142507298293, 229250871167, 285014596586, 458501742334, 570029193172, 917003484668, 5272770036841, 10545540073682, 21091080147364]

約数ペア:

[(1, 21091080147364), (2, 10545540073682), (4, 5272770036841), (23, 917003484668), (37, 570029193172), (46, 458501742334), (74, 285014596586), (92, 229250871167), (148, 142507298293), (823, 25627071868), (851, 24783877964), (1646, 12813535934), (1702, 12391938982), (3292, 6406767967), (3404, 6195969491), (18929, 1114220516), (30451, 692623564), (37858, 557110258), (60902, 346311782), (75716, 278555129), (121804, 173155891), (700373, 30114068), (1400746, 15057034), (2801492, 7528517)]