20212124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 40212480

約数和(自身を除く): 20000356

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 62, 76, 92, 124, 373, 437, 589, 713, 746, 874, 1178, 1426, 1492, 1748, 2356, 2852, 7087, 8579, 11563, 13547, 14174, 17158, 23126, 27094, 28348, 34316, 46252, 54188, 163001, 219697, 265949, 326002, 439394, 531898, 652004, 878788, 1063796, 5053031, 10106062, 20212124]

約数ペア:

[(1, 20212124), (2, 10106062), (4, 5053031), (19, 1063796), (23, 878788), (31, 652004), (38, 531898), (46, 439394), (62, 326002), (76, 265949), (92, 219697), (124, 163001), (373, 54188), (437, 46252), (589, 34316), (713, 28348), (746, 27094), (874, 23126), (1178, 17158), (1426, 14174), (1492, 13547), (1748, 11563), (2356, 8579), (2852, 7087)]