21630032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 43375200

約数和(自身を除く): 21745168

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 211, 298, 344, 422, 596, 688, 844, 1192, 1688, 2384, 3376, 6407, 9073, 12814, 18146, 25628, 31439, 36292, 51256, 62878, 72584, 102512, 125756, 145168, 251512, 503024, 1351877, 2703754, 5407508, 10815016, 21630032]

約数ペア:

[(1, 21630032), (2, 10815016), (4, 5407508), (8, 2703754), (16, 1351877), (43, 503024), (86, 251512), (149, 145168), (172, 125756), (211, 102512), (298, 72584), (344, 62878), (422, 51256), (596, 36292), (688, 31439), (844, 25628), (1192, 18146), (1688, 12814), (2384, 9073), (3376, 6407)]