21328224

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 38184096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 47, 48, 58, 87, 94, 96, 116, 141, 163, 174, 188, 232, 282, 326, 348, 376, 464, 489, 564, 652, 696, 752, 928, 978, 1128, 1304, 1363, 1392, 1504, 1956, 2256, 2608, 2726, 2784, 3912, 4089, 4512, 4727, 5216, 5452, 7661, 7824, 8178, 9454, 10904, 14181, 15322, 15648, 16356, 18908, 21808, 22983, 28362, 30644, 32712, 37816, 43616, 45966, 56724, 61288, 65424, 75632, 91932, 113448, 122576, 130848, 151264, 183864, 222169, 226896, 245152, 367728, 444338, 453792, 666507, 735456, 888676, 1333014, 1777352, 2666028, 3554704, 5332056, 7109408, 10664112, 21328224]

約数ペア:

[(1, 21328224), (2, 10664112), (3, 7109408), (4, 5332056), (6, 3554704), (8, 2666028), (12, 1777352), (16, 1333014), (24, 888676), (29, 735456), (32, 666507), (47, 453792), (48, 444338), (58, 367728), (87, 245152), (94, 226896), (96, 222169), (116, 183864), (141, 151264), (163, 130848), (174, 122576), (188, 113448), (232, 91932), (282, 75632), (326, 65424), (348, 61288), (376, 56724), (464, 45966), (489, 43616), (564, 37816), (652, 32712), (696, 30644), (752, 28362), (928, 22983), (978, 21808), (1128, 18908), (1304, 16356), (1363, 15648), (1392, 15322), (1504, 14181), (1956, 10904), (2256, 9454), (2608, 8178), (2726, 7824), (2784, 7661), (3912, 5452), (4089, 5216), (4512, 4727)]