21386300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16451}}^1$

素因数の和:16478

約数の個数: 36

約数和(自身を含む): 49981176

約数和(自身を除く): 28594876

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16451, 32902, 65804, 82255, 164510, 213863, 329020, 411275, 427726, 822550, 855452, 1069315, 1645100, 2138630, 4277260, 5346575, 10693150, 21386300]

約数ペア:

[(1, 21386300), (2, 10693150), (4, 5346575), (5, 4277260), (10, 2138630), (13, 1645100), (20, 1069315), (25, 855452), (26, 822550), (50, 427726), (52, 411275), (65, 329020), (100, 213863), (130, 164510), (260, 82255), (325, 65804), (650, 32902), (1300, 16451)]