21225283100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{819509}}^1$

素因数の和:819567

約数の個数: 72

約数和(自身を含む): 54061435680

約数和(自身を除く): 32836152580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 925, 1036, 1295, 1850, 2590, 3700, 5180, 6475, 12950, 25900, 819509, 1639018, 3278036, 4097545, 5736563, 8195090, 11473126, 16390180, 20487725, 22946252, 28682815, 30321833, 40975450, 57365630, 60643666, 81950900, 114731260, 121287332, 143414075, 151609165, 212252831, 286828150, 303218330, 424505662, 573656300, 606436660, 758045825, 849011324, 1061264155, 1516091650, 2122528310, 3032183300, 4245056620, 5306320775, 10612641550, 21225283100]

約数ペア:

[(1, 21225283100), (2, 10612641550), (4, 5306320775), (5, 4245056620), (7, 3032183300), (10, 2122528310), (14, 1516091650), (20, 1061264155), (25, 849011324), (28, 758045825), (35, 606436660), (37, 573656300), (50, 424505662), (70, 303218330), (74, 286828150), (100, 212252831), (140, 151609165), (148, 143414075), (175, 121287332), (185, 114731260), (259, 81950900), (350, 60643666), (370, 57365630), (518, 40975450), (700, 30321833), (740, 28682815), (925, 22946252), (1036, 20487725), (1295, 16390180), (1850, 11473126), (2590, 8195090), (3700, 5736563), (5180, 4097545), (6475, 3278036), (12950, 1639018), (25900, 819509)]