21190064

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 47297568

約数和(自身を除く): 26107504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1381, 1918, 2192, 2762, 3836, 5524, 7672, 9667, 11048, 15344, 19334, 22096, 38668, 77336, 154672, 189197, 378394, 756788, 1324379, 1513576, 2648758, 3027152, 5297516, 10595032, 21190064]

約数ペア:

[(1, 21190064), (2, 10595032), (4, 5297516), (7, 3027152), (8, 2648758), (14, 1513576), (16, 1324379), (28, 756788), (56, 378394), (112, 189197), (137, 154672), (274, 77336), (548, 38668), (959, 22096), (1096, 19334), (1381, 15344), (1918, 11048), (2192, 9667), (2762, 7672), (3836, 5524)]