21211508715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1\times {\mathrm{56503}}^1$

素因数の和:57403

約数の個数: 32

約数和(自身を含む): 35150008320

約数和(自身を除く): 13938499605

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 863, 2589, 4315, 12945, 25027, 56503, 75081, 125135, 169509, 282515, 375405, 847545, 1638587, 4915761, 8192935, 24578805, 48762089, 146286267, 243810445, 731431335, 1414100581, 4242301743, 7070502905, 21211508715]

約数ペア:

[(1, 21211508715), (3, 7070502905), (5, 4242301743), (15, 1414100581), (29, 731431335), (87, 243810445), (145, 146286267), (435, 48762089), (863, 24578805), (2589, 8192935), (4315, 4915761), (12945, 1638587), (25027, 847545), (56503, 375405), (75081, 282515), (125135, 169509)]