21903224

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4951}}^1$

素因数の和:5043

約数の個数: 32

約数和(自身を含む): 47539200

約数和(自身を除く): 25635976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4951, 9902, 19804, 34657, 39608, 69314, 138628, 277256, 391129, 782258, 1564516, 2737903, 3129032, 5475806, 10951612, 21903224]

約数ペア:

[(1, 21903224), (2, 10951612), (4, 5475806), (7, 3129032), (8, 2737903), (14, 1564516), (28, 782258), (56, 391129), (79, 277256), (158, 138628), (316, 69314), (553, 39608), (632, 34657), (1106, 19804), (2212, 9902), (4424, 4951)]