16421636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 37359168

約数和(自身を除く): 20937532

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 131, 148, 154, 242, 259, 262, 308, 407, 484, 518, 524, 814, 847, 917, 1036, 1441, 1628, 1694, 1834, 2849, 2882, 3388, 3668, 4477, 4847, 5698, 5764, 8954, 9694, 10087, 11396, 15851, 17908, 19388, 20174, 31339, 31702, 33929, 40348, 53317, 62678, 63404, 67858, 106634, 110957, 125356, 135716, 213268, 221914, 373219, 443828, 586487, 746438, 1172974, 1492876, 2345948, 4105409, 8210818, 16421636]

約数ペア:

[(1, 16421636), (2, 8210818), (4, 4105409), (7, 2345948), (11, 1492876), (14, 1172974), (22, 746438), (28, 586487), (37, 443828), (44, 373219), (74, 221914), (77, 213268), (121, 135716), (131, 125356), (148, 110957), (154, 106634), (242, 67858), (259, 63404), (262, 62678), (308, 53317), (407, 40348), (484, 33929), (518, 31702), (524, 31339), (814, 20174), (847, 19388), (917, 17908), (1036, 15851), (1441, 11396), (1628, 10087), (1694, 9694), (1834, 8954), (2849, 5764), (2882, 5698), (3388, 4847), (3668, 4477)]