21836152

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 45852480

約数和(自身を除く): 24016328

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 521, 676, 806, 1042, 1352, 1612, 2084, 3224, 4168, 5239, 6773, 10478, 13546, 16151, 20956, 27092, 32302, 41912, 54184, 64604, 88049, 129208, 176098, 209963, 352196, 419926, 704392, 839852, 1679704, 2729519, 5459038, 10918076, 21836152]

約数ペア:

[(1, 21836152), (2, 10918076), (4, 5459038), (8, 2729519), (13, 1679704), (26, 839852), (31, 704392), (52, 419926), (62, 352196), (104, 209963), (124, 176098), (169, 129208), (248, 88049), (338, 64604), (403, 54184), (521, 41912), (676, 32302), (806, 27092), (1042, 20956), (1352, 16151), (1612, 13546), (2084, 10478), (3224, 6773), (4168, 5239)]