21609232

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2351

約数の個数: 40

約数和(自身を含む): 45512960

約数和(自身を除く): 23903728

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2293, 2356, 4586, 4712, 9172, 9424, 18344, 36688, 43567, 71083, 87134, 142166, 174268, 284332, 348536, 568664, 697072, 1137328, 1350577, 2701154, 5402308, 10804616, 21609232]

約数ペア:

[(1, 21609232), (2, 10804616), (4, 5402308), (8, 2701154), (16, 1350577), (19, 1137328), (31, 697072), (38, 568664), (62, 348536), (76, 284332), (124, 174268), (152, 142166), (248, 87134), (304, 71083), (496, 43567), (589, 36688), (1178, 18344), (2293, 9424), (2356, 9172), (4586, 4712)]