21646300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16651}}^1$

素因数の和:16678

約数の個数: 36

約数和(自身を含む): 50588776

約数和(自身を除く): 28942476

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16651, 33302, 66604, 83255, 166510, 216463, 333020, 416275, 432926, 832550, 865852, 1082315, 1665100, 2164630, 4329260, 5411575, 10823150, 21646300]

約数ペア:

[(1, 21646300), (2, 10823150), (4, 5411575), (5, 4329260), (10, 2164630), (13, 1665100), (20, 1082315), (25, 865852), (26, 832550), (50, 432926), (52, 416275), (65, 333020), (100, 216463), (130, 166510), (260, 83255), (325, 66604), (650, 33302), (1300, 16651)]