21653916050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{40577}}^1$

素因数の和:41423

約数の個数: 48

約数和(自身を含む): 43428361032

約数和(自身を除く): 21774444982

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 821, 1642, 4105, 8210, 10673, 20525, 21346, 40577, 41050, 53365, 81154, 106730, 202885, 266825, 405770, 527501, 533650, 1014425, 1055002, 2028850, 2637505, 5275010, 13187525, 26375050, 33313717, 66627434, 166568585, 333137170, 433078321, 832842925, 866156642, 1665685850, 2165391605, 4330783210, 10826958025, 21653916050]

約数ペア:

[(1, 21653916050), (2, 10826958025), (5, 4330783210), (10, 2165391605), (13, 1665685850), (25, 866156642), (26, 832842925), (50, 433078321), (65, 333137170), (130, 166568585), (325, 66627434), (650, 33313717), (821, 26375050), (1642, 13187525), (4105, 5275010), (8210, 2637505), (10673, 2028850), (20525, 1055002), (21346, 1014425), (40577, 533650), (41050, 527501), (53365, 405770), (81154, 266825), (106730, 202885)]