21621000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{7207}}^1$

素因数の和:7231

約数の個数: 64

約数和(自身を含む): 67466880

約数和(自身を除く): 45845880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 7207, 14414, 21621, 28828, 36035, 43242, 57656, 72070, 86484, 108105, 144140, 172968, 180175, 216210, 288280, 360350, 432420, 540525, 720700, 864840, 900875, 1081050, 1441400, 1801750, 2162100, 2702625, 3603500, 4324200, 5405250, 7207000, 10810500, 21621000]

約数ペア:

[(1, 21621000), (2, 10810500), (3, 7207000), (4, 5405250), (5, 4324200), (6, 3603500), (8, 2702625), (10, 2162100), (12, 1801750), (15, 1441400), (20, 1081050), (24, 900875), (25, 864840), (30, 720700), (40, 540525), (50, 432420), (60, 360350), (75, 288280), (100, 216210), (120, 180175), (125, 172968), (150, 144140), (200, 108105), (250, 86484), (300, 72070), (375, 57656), (500, 43242), (600, 36035), (750, 28828), (1000, 21621), (1500, 14414), (3000, 7207)]