21889952

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 49916160

約数和(自身を除く): 28026208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1237, 1264, 2212, 2474, 2528, 4424, 4948, 8659, 8848, 9896, 17318, 17696, 19792, 34636, 39584, 69272, 97723, 138544, 195446, 277088, 390892, 684061, 781784, 1368122, 1563568, 2736244, 3127136, 5472488, 10944976, 21889952]

約数ペア:

[(1, 21889952), (2, 10944976), (4, 5472488), (7, 3127136), (8, 2736244), (14, 1563568), (16, 1368122), (28, 781784), (32, 684061), (56, 390892), (79, 277088), (112, 195446), (158, 138544), (224, 97723), (316, 69272), (553, 39584), (632, 34636), (1106, 19792), (1237, 17696), (1264, 17318), (2212, 9896), (2474, 8848), (2528, 8659), (4424, 4948)]