21287144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6089}}^1$

素因数の和:6137

約数の個数: 32

約数和(自身を含む): 43848000

約数和(自身を除く): 22560856

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 6089, 12178, 24356, 48712, 115691, 140047, 231382, 280094, 462764, 560188, 925528, 1120376, 2660893, 5321786, 10643572, 21287144]

約数ペア:

[(1, 21287144), (2, 10643572), (4, 5321786), (8, 2660893), (19, 1120376), (23, 925528), (38, 560188), (46, 462764), (76, 280094), (92, 231382), (152, 140047), (184, 115691), (437, 48712), (874, 24356), (1748, 12178), (3496, 6089)]