21126300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5417}}^1$

素因数の和:5447

約数の個数: 72

約数和(自身を含む): 65839536

約数和(自身を除く): 44713236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5417, 10834, 16251, 21668, 27085, 32502, 54170, 65004, 70421, 81255, 108340, 135425, 140842, 162510, 211263, 270850, 281684, 325020, 352105, 406275, 422526, 541700, 704210, 812550, 845052, 1056315, 1408420, 1625100, 1760525, 2112630, 3521050, 4225260, 5281575, 7042100, 10563150, 21126300]

約数ペア:

[(1, 21126300), (2, 10563150), (3, 7042100), (4, 5281575), (5, 4225260), (6, 3521050), (10, 2112630), (12, 1760525), (13, 1625100), (15, 1408420), (20, 1056315), (25, 845052), (26, 812550), (30, 704210), (39, 541700), (50, 422526), (52, 406275), (60, 352105), (65, 325020), (75, 281684), (78, 270850), (100, 211263), (130, 162510), (150, 140842), (156, 135425), (195, 108340), (260, 81255), (300, 70421), (325, 65004), (390, 54170), (650, 32502), (780, 27085), (975, 21668), (1300, 16251), (1950, 10834), (3900, 5417)]