22021715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 7371565

約数列:

[1, 5, 17, 41, 71, 85, 89, 205, 355, 445, 697, 1207, 1513, 2911, 3485, 3649, 6035, 6319, 7565, 14555, 18245, 31595, 49487, 62033, 107423, 247435, 259079, 310165, 537115, 1295395, 4404343, 22021715]

約数ペア:

[(1, 22021715), (5, 4404343), (17, 1295395), (41, 537115), (71, 310165), (85, 259079), (89, 247435), (205, 107423), (355, 62033), (445, 49487), (697, 31595), (1207, 18245), (1513, 14555), (2911, 7565), (3485, 6319), (3649, 6035)]