21249768

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{8123}}^1$

素因数の和:8241

約数の個数: 32

約数和(自身を含む): 53618400

約数和(自身を除く): 32368632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 218, 327, 436, 654, 872, 1308, 2616, 8123, 16246, 24369, 32492, 48738, 64984, 97476, 194952, 885407, 1770814, 2656221, 3541628, 5312442, 7083256, 10624884, 21249768]

約数ペア:

[(1, 21249768), (2, 10624884), (3, 7083256), (4, 5312442), (6, 3541628), (8, 2656221), (12, 1770814), (24, 885407), (109, 194952), (218, 97476), (327, 64984), (436, 48738), (654, 32492), (872, 24369), (1308, 16246), (2616, 8123)]