21538416

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15473}}^1$

素因数の和:15513

約数の個数: 40

約数和(自身を含む): 57563280

約数和(自身を除く): 36024864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15473, 30946, 46419, 61892, 92838, 123784, 185676, 247568, 371352, 448717, 742704, 897434, 1346151, 1794868, 2692302, 3589736, 5384604, 7179472, 10769208, 21538416]

約数ペア:

[(1, 21538416), (2, 10769208), (3, 7179472), (4, 5384604), (6, 3589736), (8, 2692302), (12, 1794868), (16, 1346151), (24, 897434), (29, 742704), (48, 448717), (58, 371352), (87, 247568), (116, 185676), (174, 123784), (232, 92838), (348, 61892), (464, 46419), (696, 30946), (1392, 15473)]