21369376

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5021}}^1$

素因数の和:5057

約数の個数: 48

約数和(自身を含む): 50621760

約数和(自身を除く): 29252384

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5021, 10042, 20084, 35147, 40168, 70294, 80336, 95399, 140588, 160672, 190798, 281176, 381596, 562352, 667793, 763192, 1124704, 1335586, 1526384, 2671172, 3052768, 5342344, 10684688, 21369376]

約数ペア:

[(1, 21369376), (2, 10684688), (4, 5342344), (7, 3052768), (8, 2671172), (14, 1526384), (16, 1335586), (19, 1124704), (28, 763192), (32, 667793), (38, 562352), (56, 381596), (76, 281176), (112, 190798), (133, 160672), (152, 140588), (224, 95399), (266, 80336), (304, 70294), (532, 40168), (608, 35147), (1064, 20084), (2128, 10042), (4256, 5021)]