21113150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 42385680

約数和(自身を除く): 21272530

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 59, 85, 118, 170, 295, 421, 425, 590, 842, 850, 1003, 1475, 2006, 2105, 2950, 4210, 5015, 7157, 10030, 10525, 14314, 21050, 24839, 25075, 35785, 49678, 50150, 71570, 124195, 178925, 248390, 357850, 422263, 620975, 844526, 1241950, 2111315, 4222630, 10556575, 21113150]

約数ペア:

[(1, 21113150), (2, 10556575), (5, 4222630), (10, 2111315), (17, 1241950), (25, 844526), (34, 620975), (50, 422263), (59, 357850), (85, 248390), (118, 178925), (170, 124195), (295, 71570), (421, 50150), (425, 49678), (590, 35785), (842, 25075), (850, 24839), (1003, 21050), (1475, 14314), (2006, 10525), (2105, 10030), (2950, 7157), (4210, 5015)]