21167350515

素因数分解:

$3^4\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{13063}}^1$

素因数の和:17081

約数の個数: 40

約数和(自身を含む): 37956824928

約数和(自身を除く): 16789474413

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4001, 12003, 13063, 20005, 36009, 39189, 60015, 65315, 108027, 117567, 180045, 195945, 324081, 352701, 540135, 587835, 1058103, 1620405, 1763505, 5290515, 52265063, 156795189, 261325315, 470385567, 783975945, 1411156701, 2351927835, 4233470103, 7055783505, 21167350515]

約数ペア:

[(1, 21167350515), (3, 7055783505), (5, 4233470103), (9, 2351927835), (15, 1411156701), (27, 783975945), (45, 470385567), (81, 261325315), (135, 156795189), (405, 52265063), (4001, 5290515), (12003, 1763505), (13063, 1620405), (20005, 1058103), (36009, 587835), (39189, 540135), (60015, 352701), (65315, 324081), (108027, 195945), (117567, 180045)]