21483518

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 38790144

約数和(自身を除く): 17306626

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 487, 959, 974, 1918, 3151, 3409, 6302, 6818, 11201, 22057, 22402, 44114, 66719, 78407, 133438, 156814, 467033, 934066, 1534537, 3069074, 10741759, 21483518]

約数ペア:

[(1, 21483518), (2, 10741759), (7, 3069074), (14, 1534537), (23, 934066), (46, 467033), (137, 156814), (161, 133438), (274, 78407), (322, 66719), (487, 44114), (959, 22402), (974, 22057), (1918, 11201), (3151, 6818), (3409, 6302)]