21988728

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10531}}^1$

素因数の和:10572

約数の個数: 48

約数和(自身を含む): 61612200

約数和(自身を除く): 39623472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10531, 21062, 31593, 42124, 63186, 84248, 94779, 126372, 189558, 252744, 305399, 379116, 610798, 758232, 916197, 1221596, 1832394, 2443192, 2748591, 3664788, 5497182, 7329576, 10994364, 21988728]

約数ペア:

[(1, 21988728), (2, 10994364), (3, 7329576), (4, 5497182), (6, 3664788), (8, 2748591), (9, 2443192), (12, 1832394), (18, 1221596), (24, 916197), (29, 758232), (36, 610798), (58, 379116), (72, 305399), (87, 252744), (116, 189558), (174, 126372), (232, 94779), (261, 84248), (348, 63186), (522, 42124), (696, 31593), (1044, 21062), (2088, 10531)]