21285568

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{3229}}^1$

素因数の和:3344

約数の個数: 28

約数和(自身を含む): 42661840

約数和(自身を除く): 21376272

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3229, 3296, 6458, 6592, 12916, 25832, 51664, 103328, 206656, 332587, 665174, 1330348, 2660696, 5321392, 10642784, 21285568]

約数ペア:

[(1, 21285568), (2, 10642784), (4, 5321392), (8, 2660696), (16, 1330348), (32, 665174), (64, 332587), (103, 206656), (206, 103328), (412, 51664), (824, 25832), (1648, 12916), (3229, 6592), (3296, 6458)]