21917370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 54722304

約数和(自身を除く): 32804934

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 103, 123, 173, 205, 206, 246, 309, 346, 410, 515, 519, 615, 618, 865, 1030, 1038, 1230, 1545, 1730, 2595, 3090, 4223, 5190, 7093, 8446, 12669, 14186, 17819, 21115, 21279, 25338, 35465, 35638, 42230, 42558, 53457, 63345, 70930, 89095, 106395, 106914, 126690, 178190, 212790, 267285, 534570, 730579, 1461158, 2191737, 3652895, 4383474, 7305790, 10958685, 21917370]

約数ペア:

[(1, 21917370), (2, 10958685), (3, 7305790), (5, 4383474), (6, 3652895), (10, 2191737), (15, 1461158), (30, 730579), (41, 534570), (82, 267285), (103, 212790), (123, 178190), (173, 126690), (205, 106914), (206, 106395), (246, 89095), (309, 70930), (346, 63345), (410, 53457), (515, 42558), (519, 42230), (615, 35638), (618, 35465), (865, 25338), (1030, 21279), (1038, 21115), (1230, 17819), (1545, 14186), (1730, 12669), (2595, 8446), (3090, 7093), (4223, 5190)]