21052290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5897}}^1$

素因数の和:5931

約数の個数: 64

約数和(自身を含む): 61150464

約数和(自身を除く): 40098174

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5897, 11794, 17691, 29485, 35382, 41279, 58970, 82558, 88455, 100249, 123837, 176910, 200498, 206395, 247674, 300747, 412790, 501245, 601494, 619185, 701743, 1002490, 1238370, 1403486, 1503735, 2105229, 3007470, 3508715, 4210458, 7017430, 10526145, 21052290]

約数ペア:

[(1, 21052290), (2, 10526145), (3, 7017430), (5, 4210458), (6, 3508715), (7, 3007470), (10, 2105229), (14, 1503735), (15, 1403486), (17, 1238370), (21, 1002490), (30, 701743), (34, 619185), (35, 601494), (42, 501245), (51, 412790), (70, 300747), (85, 247674), (102, 206395), (105, 200498), (119, 176910), (170, 123837), (210, 100249), (238, 88455), (255, 82558), (357, 58970), (510, 41279), (595, 35382), (714, 29485), (1190, 17691), (1785, 11794), (3570, 5897)]