21358546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 37811520

約数和(自身を除く): 16452974

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1381, 1406, 2762, 7733, 15191, 15466, 26239, 30382, 51097, 52478, 102194, 288629, 562067, 577258, 970843, 1124134, 1941686, 10679273, 21358546]

約数ペア:

[(1, 21358546), (2, 10679273), (11, 1941686), (19, 1124134), (22, 970843), (37, 577258), (38, 562067), (74, 288629), (209, 102194), (407, 52478), (418, 51097), (703, 30382), (814, 26239), (1381, 15466), (1406, 15191), (2762, 7733)]