21986192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2391

約数の個数: 40

約数和(自身を含む): 46306560

約数和(自身を除く): 24320368

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2333, 2356, 4666, 4712, 9332, 9424, 18664, 37328, 44327, 72323, 88654, 144646, 177308, 289292, 354616, 578584, 709232, 1157168, 1374137, 2748274, 5496548, 10993096, 21986192]

約数ペア:

[(1, 21986192), (2, 10993096), (4, 5496548), (8, 2748274), (16, 1374137), (19, 1157168), (31, 709232), (38, 578584), (62, 354616), (76, 289292), (124, 177308), (152, 144646), (248, 88654), (304, 72323), (496, 44327), (589, 37328), (1178, 18664), (2333, 9424), (2356, 9332), (4666, 4712)]