21368156936

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{71711}}^1$

素因数の和:72054

約数の個数: 64

約数和(自身を含む): 48637946880

約数和(自身を除く): 27269789944

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 313, 476, 626, 952, 1252, 2191, 2504, 4382, 5321, 8764, 10642, 17528, 21284, 37247, 42568, 71711, 74494, 143422, 148988, 286844, 297976, 501977, 573688, 1003954, 1219087, 2007908, 2438174, 4015816, 4876348, 8533609, 9752696, 17067218, 22445543, 34134436, 44891086, 68268872, 89782172, 157118801, 179564344, 314237602, 381574231, 628475204, 763148462, 1256950408, 1526296924, 2671019617, 3052593848, 5342039234, 10684078468, 21368156936]

約数ペア:

[(1, 21368156936), (2, 10684078468), (4, 5342039234), (7, 3052593848), (8, 2671019617), (14, 1526296924), (17, 1256950408), (28, 763148462), (34, 628475204), (56, 381574231), (68, 314237602), (119, 179564344), (136, 157118801), (238, 89782172), (313, 68268872), (476, 44891086), (626, 34134436), (952, 22445543), (1252, 17067218), (2191, 9752696), (2504, 8533609), (4382, 4876348), (5321, 4015816), (8764, 2438174), (10642, 2007908), (17528, 1219087), (21284, 1003954), (37247, 573688), (42568, 501977), (71711, 297976), (74494, 286844), (143422, 148988)]