21515232

素因数分解:

$2^5\times 3^1\times {\mathrm{271}}^1\times {\mathrm{827}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 56754432

約数和(自身を除く): 35239200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 271, 542, 813, 827, 1084, 1626, 1654, 2168, 2481, 3252, 3308, 4336, 4962, 6504, 6616, 8672, 9924, 13008, 13232, 19848, 26016, 26464, 39696, 79392, 224117, 448234, 672351, 896468, 1344702, 1792936, 2689404, 3585872, 5378808, 7171744, 10757616, 21515232]

約数ペア:

[(1, 21515232), (2, 10757616), (3, 7171744), (4, 5378808), (6, 3585872), (8, 2689404), (12, 1792936), (16, 1344702), (24, 896468), (32, 672351), (48, 448234), (96, 224117), (271, 79392), (542, 39696), (813, 26464), (827, 26016), (1084, 19848), (1626, 13232), (1654, 13008), (2168, 9924), (2481, 8672), (3252, 6616), (3308, 6504), (4336, 4962)]