21897690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 56730240

約数和(自身を除く): 34832550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 41, 57, 82, 95, 114, 123, 190, 205, 246, 285, 410, 570, 615, 779, 937, 1230, 1558, 1874, 2337, 2811, 3895, 4674, 4685, 5622, 7790, 9370, 11685, 14055, 17803, 23370, 28110, 35606, 38417, 53409, 76834, 89015, 106818, 115251, 178030, 192085, 230502, 267045, 384170, 534090, 576255, 729923, 1152510, 1459846, 2189769, 3649615, 4379538, 7299230, 10948845, 21897690]

約数ペア:

[(1, 21897690), (2, 10948845), (3, 7299230), (5, 4379538), (6, 3649615), (10, 2189769), (15, 1459846), (19, 1152510), (30, 729923), (38, 576255), (41, 534090), (57, 384170), (82, 267045), (95, 230502), (114, 192085), (123, 178030), (190, 115251), (205, 106818), (246, 89015), (285, 76834), (410, 53409), (570, 38417), (615, 35606), (779, 28110), (937, 23370), (1230, 17803), (1558, 14055), (1874, 11685), (2337, 9370), (2811, 7790), (3895, 5622), (4674, 4685)]