21466140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5039}}^1$

素因数の和:5122

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 39497700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 5039, 10078, 15117, 20156, 25195, 30234, 50390, 60468, 75585, 100780, 151170, 302340, 357769, 715538, 1073307, 1431076, 1788845, 2146614, 3577690, 4293228, 5366535, 7155380, 10733070, 21466140]

約数ペア:

[(1, 21466140), (2, 10733070), (3, 7155380), (4, 5366535), (5, 4293228), (6, 3577690), (10, 2146614), (12, 1788845), (15, 1431076), (20, 1073307), (30, 715538), (60, 357769), (71, 302340), (142, 151170), (213, 100780), (284, 75585), (355, 60468), (426, 50390), (710, 30234), (852, 25195), (1065, 20156), (1420, 15117), (2130, 10078), (4260, 5039)]