21712923610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1451}}^1\times {\mathrm{30539}}^1$

素因数の和:32011

約数の個数: 48

約数和(自身を含む): 45497026080

約数和(自身を除く): 23784102470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1451, 2902, 7255, 10157, 14510, 20314, 30539, 50785, 61078, 71099, 101570, 142198, 152695, 213773, 305390, 355495, 427546, 710990, 1068865, 1496411, 2137730, 2992822, 7482055, 14964110, 44312089, 88624178, 221560445, 310184623, 443120890, 620369246, 1550923115, 2171292361, 3101846230, 4342584722, 10856461805, 21712923610]

約数ペア:

[(1, 21712923610), (2, 10856461805), (5, 4342584722), (7, 3101846230), (10, 2171292361), (14, 1550923115), (35, 620369246), (49, 443120890), (70, 310184623), (98, 221560445), (245, 88624178), (490, 44312089), (1451, 14964110), (2902, 7482055), (7255, 2992822), (10157, 2137730), (14510, 1496411), (20314, 1068865), (30539, 710990), (50785, 427546), (61078, 355495), (71099, 305390), (101570, 213773), (142198, 152695)]