21724150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8867}}^1$

素因数の和:8893

約数の個数: 36

約数和(自身を含む): 47009268

約数和(自身を除く): 25285118

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8867, 17734, 44335, 62069, 88670, 124138, 221675, 310345, 434483, 443350, 620690, 868966, 1551725, 2172415, 3103450, 4344830, 10862075, 21724150]

約数ペア:

[(1, 21724150), (2, 10862075), (5, 4344830), (7, 3103450), (10, 2172415), (14, 1551725), (25, 868966), (35, 620690), (49, 443350), (50, 434483), (70, 310345), (98, 221675), (175, 124138), (245, 88670), (350, 62069), (490, 44335), (1225, 17734), (2450, 8867)]