21503097

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10343}}^1$

素因数の和:10370

約数の個数: 32

約数和(自身を含む): 39720960

約数和(自身を除く): 18217863

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10343, 31029, 72401, 93087, 113773, 217203, 279261, 341319, 651609, 796411, 1023957, 1954827, 2389233, 3071871, 7167699, 21503097]

約数ペア:

[(1, 21503097), (3, 7167699), (7, 3071871), (9, 2389233), (11, 1954827), (21, 1023957), (27, 796411), (33, 651609), (63, 341319), (77, 279261), (99, 217203), (189, 113773), (231, 93087), (297, 72401), (693, 31029), (2079, 10343)]