18902100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9001}}^1$

素因数の和:9025

約数の個数: 72

約数和(自身を含む): 62509888

約数和(自身を除く): 43607788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9001, 18002, 27003, 36004, 45005, 54006, 63007, 90010, 108012, 126014, 135015, 180020, 189021, 225025, 252028, 270030, 315035, 378042, 450050, 540060, 630070, 675075, 756084, 900100, 945105, 1260140, 1350150, 1575175, 1890210, 2700300, 3150350, 3780420, 4725525, 6300700, 9451050, 18902100]

約数ペア:

[(1, 18902100), (2, 9451050), (3, 6300700), (4, 4725525), (5, 3780420), (6, 3150350), (7, 2700300), (10, 1890210), (12, 1575175), (14, 1350150), (15, 1260140), (20, 945105), (21, 900100), (25, 756084), (28, 675075), (30, 630070), (35, 540060), (42, 450050), (50, 378042), (60, 315035), (70, 270030), (75, 252028), (84, 225025), (100, 189021), (105, 180020), (140, 135015), (150, 126014), (175, 108012), (210, 90010), (300, 63007), (350, 54006), (420, 45005), (525, 36004), (700, 27003), (1050, 18002), (2100, 9001)]