21140448

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 64141056

約数和(自身を除く): 43000608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 163, 168, 193, 224, 326, 336, 386, 489, 579, 652, 672, 772, 978, 1141, 1158, 1304, 1351, 1544, 1956, 2282, 2316, 2608, 2702, 3088, 3423, 3912, 4053, 4564, 4632, 5216, 5404, 6176, 6846, 7824, 8106, 9128, 9264, 10808, 13692, 15648, 16212, 18256, 18528, 21616, 27384, 31459, 32424, 36512, 43232, 54768, 62918, 64848, 94377, 109536, 125836, 129696, 188754, 220213, 251672, 377508, 440426, 503344, 660639, 755016, 880852, 1006688, 1321278, 1510032, 1761704, 2642556, 3020064, 3523408, 5285112, 7046816, 10570224, 21140448]

約数ペア:

[(1, 21140448), (2, 10570224), (3, 7046816), (4, 5285112), (6, 3523408), (7, 3020064), (8, 2642556), (12, 1761704), (14, 1510032), (16, 1321278), (21, 1006688), (24, 880852), (28, 755016), (32, 660639), (42, 503344), (48, 440426), (56, 377508), (84, 251672), (96, 220213), (112, 188754), (163, 129696), (168, 125836), (193, 109536), (224, 94377), (326, 64848), (336, 62918), (386, 54768), (489, 43232), (579, 36512), (652, 32424), (672, 31459), (772, 27384), (978, 21616), (1141, 18528), (1158, 18256), (1304, 16212), (1351, 15648), (1544, 13692), (1956, 10808), (2282, 9264), (2316, 9128), (2608, 8106), (2702, 7824), (3088, 6846), (3423, 6176), (3912, 5404), (4053, 5216), (4564, 4632)]