21000852375

素因数分解:

$3^1\times 5^3\times {\mathrm{313}}^1\times {\mathrm{178921}}^1$

素因数の和:179252

約数の個数: 32

約数和(自身を含む): 35057260992

約数和(自身を除く): 14056408617

約数列:

[1, 3, 5, 15, 25, 75, 125, 313, 375, 939, 1565, 4695, 7825, 23475, 39125, 117375, 178921, 536763, 894605, 2683815, 4473025, 13419075, 22365125, 56002273, 67095375, 168006819, 280011365, 840034095, 1400056825, 4200170475, 7000284125, 21000852375]

約数ペア:

[(1, 21000852375), (3, 7000284125), (5, 4200170475), (15, 1400056825), (25, 840034095), (75, 280011365), (125, 168006819), (313, 67095375), (375, 56002273), (939, 22365125), (1565, 13419075), (4695, 4473025), (7825, 2683815), (23475, 894605), (39125, 536763), (117375, 178921)]