21436142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6199}}^1$

素因数の和:6240

約数の個数: 32

約数和(自身を含む): 41664000

約数和(自身を除く): 20227858

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6199, 12398, 43393, 80587, 86786, 117781, 161174, 235562, 564109, 824467, 1128218, 1531153, 1648934, 3062306, 10718071, 21436142]

約数ペア:

[(1, 21436142), (2, 10718071), (7, 3062306), (13, 1648934), (14, 1531153), (19, 1128218), (26, 824467), (38, 564109), (91, 235562), (133, 161174), (182, 117781), (247, 86786), (266, 80587), (494, 43393), (1729, 12398), (3458, 6199)]