21430024

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1831}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 52761600

約数和(自身を除く): 31331576

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1831, 2926, 3662, 5852, 7324, 11704, 12817, 14648, 20141, 25634, 34789, 40282, 51268, 69578, 80564, 102536, 139156, 140987, 161128, 243523, 278312, 281974, 382679, 487046, 563948, 765358, 974092, 1127896, 1530716, 1948184, 2678753, 3061432, 5357506, 10715012, 21430024]

約数ペア:

[(1, 21430024), (2, 10715012), (4, 5357506), (7, 3061432), (8, 2678753), (11, 1948184), (14, 1530716), (19, 1127896), (22, 974092), (28, 765358), (38, 563948), (44, 487046), (56, 382679), (76, 281974), (77, 278312), (88, 243523), (133, 161128), (152, 140987), (154, 139156), (209, 102536), (266, 80564), (308, 69578), (418, 51268), (532, 40282), (616, 34789), (836, 25634), (1064, 20141), (1463, 14648), (1672, 12817), (1831, 11704), (2926, 7324), (3662, 5852)]