21325334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 35650560

約数和(自身を除く): 14325226

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 421, 589, 817, 842, 1178, 1333, 1634, 2666, 7999, 13051, 15998, 18103, 25327, 26102, 36206, 50654, 247969, 343957, 495938, 561193, 687914, 1122386, 10662667, 21325334]

約数ペア:

[(1, 21325334), (2, 10662667), (19, 1122386), (31, 687914), (38, 561193), (43, 495938), (62, 343957), (86, 247969), (421, 50654), (589, 36206), (817, 26102), (842, 25327), (1178, 18103), (1333, 15998), (1634, 13051), (2666, 7999)]