21329536

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2432

約数の個数: 32

約数和(自身を含む): 43109280

約数和(自身を除く): 21779744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2347, 4544, 4694, 9088, 9388, 18776, 37552, 75104, 150208, 166637, 300416, 333274, 666548, 1333096, 2666192, 5332384, 10664768, 21329536]

約数ペア:

[(1, 21329536), (2, 10664768), (4, 5332384), (8, 2666192), (16, 1333096), (32, 666548), (64, 333274), (71, 300416), (128, 166637), (142, 150208), (284, 75104), (568, 37552), (1136, 18776), (2272, 9388), (2347, 9088), (4544, 4694)]