21376440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19793}}^1$

素因数の和:19813

約数の個数: 64

約数和(自身を含む): 71258400

約数和(自身を除く): 49881960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19793, 39586, 59379, 79172, 98965, 118758, 158344, 178137, 197930, 237516, 296895, 356274, 395860, 475032, 534411, 593790, 712548, 791720, 890685, 1068822, 1187580, 1425096, 1781370, 2137644, 2375160, 2672055, 3562740, 4275288, 5344110, 7125480, 10688220, 21376440]

約数ペア:

[(1, 21376440), (2, 10688220), (3, 7125480), (4, 5344110), (5, 4275288), (6, 3562740), (8, 2672055), (9, 2375160), (10, 2137644), (12, 1781370), (15, 1425096), (18, 1187580), (20, 1068822), (24, 890685), (27, 791720), (30, 712548), (36, 593790), (40, 534411), (45, 475032), (54, 395860), (60, 356274), (72, 296895), (90, 237516), (108, 197930), (120, 178137), (135, 158344), (180, 118758), (216, 98965), (270, 79172), (360, 59379), (540, 39586), (1080, 19793)]