21604500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4801}}^1$

素因数の和:4826

約数の個数: 72

約数和(自身を含む): 68169192

約数和(自身を除く): 46564692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4801, 9602, 14403, 19204, 24005, 28806, 43209, 48010, 57612, 72015, 86418, 96020, 120025, 144030, 172836, 216045, 240050, 288060, 360075, 432090, 480100, 600125, 720150, 864180, 1080225, 1200250, 1440300, 1800375, 2160450, 2400500, 3600750, 4320900, 5401125, 7201500, 10802250, 21604500]

約数ペア:

[(1, 21604500), (2, 10802250), (3, 7201500), (4, 5401125), (5, 4320900), (6, 3600750), (9, 2400500), (10, 2160450), (12, 1800375), (15, 1440300), (18, 1200250), (20, 1080225), (25, 864180), (30, 720150), (36, 600125), (45, 480100), (50, 432090), (60, 360075), (75, 288060), (90, 240050), (100, 216045), (125, 172836), (150, 144030), (180, 120025), (225, 96020), (250, 86418), (300, 72015), (375, 57612), (450, 48010), (500, 43209), (750, 28806), (900, 24005), (1125, 19204), (1500, 14403), (2250, 9602), (4500, 4801)]