21336672

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31751}}^1$

素因数の和:31771

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 42675360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31751, 63502, 95253, 127004, 190506, 222257, 254008, 381012, 444514, 508016, 666771, 762024, 889028, 1016032, 1333542, 1524048, 1778056, 2667084, 3048096, 3556112, 5334168, 7112224, 10668336, 21336672]

約数ペア:

[(1, 21336672), (2, 10668336), (3, 7112224), (4, 5334168), (6, 3556112), (7, 3048096), (8, 2667084), (12, 1778056), (14, 1524048), (16, 1333542), (21, 1016032), (24, 889028), (28, 762024), (32, 666771), (42, 508016), (48, 444514), (56, 381012), (84, 254008), (96, 222257), (112, 190506), (168, 127004), (224, 95253), (336, 63502), (672, 31751)]