21787132325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{225949}}^1$

素因数の和:226014

約数の個数: 48

約数和(自身を含む): 33621360000

約数和(自身を除く): 11834227675

約数列:

[1, 5, 7, 19, 25, 29, 35, 95, 133, 145, 175, 203, 475, 551, 665, 725, 1015, 2755, 3325, 3857, 5075, 13775, 19285, 96425, 225949, 1129745, 1581643, 4293031, 5648725, 6552521, 7908215, 21465155, 30051217, 32762605, 39541075, 45867647, 107325775, 124497899, 150256085, 163813025, 229338235, 622489495, 751280425, 871485293, 1146691175, 3112447475, 4357426465, 21787132325]

約数ペア:

[(1, 21787132325), (5, 4357426465), (7, 3112447475), (19, 1146691175), (25, 871485293), (29, 751280425), (35, 622489495), (95, 229338235), (133, 163813025), (145, 150256085), (175, 124497899), (203, 107325775), (475, 45867647), (551, 39541075), (665, 32762605), (725, 30051217), (1015, 21465155), (2755, 7908215), (3325, 6552521), (3857, 5648725), (5075, 4293031), (13775, 1581643), (19285, 1129745), (96425, 225949)]