21407472

素因数分解:

$2^4\times 3^2\times {\mathrm{148663}}^1$

素因数の和:148677

約数の個数: 30

約数和(自身を含む): 59911592

約数和(自身を除く): 38504120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148663, 297326, 445989, 594652, 891978, 1189304, 1337967, 1783956, 2378608, 2675934, 3567912, 5351868, 7135824, 10703736, 21407472]

約数ペア:

[(1, 21407472), (2, 10703736), (3, 7135824), (4, 5351868), (6, 3567912), (8, 2675934), (9, 2378608), (12, 1783956), (16, 1337967), (18, 1189304), (24, 891978), (36, 594652), (48, 445989), (72, 297326), (144, 148663)]