21533000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 51358320

約数和(自身を除く): 29825320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 353, 488, 500, 610, 706, 1000, 1220, 1412, 1525, 1765, 2440, 2824, 3050, 3530, 6100, 7060, 7625, 8825, 12200, 14120, 15250, 17650, 21533, 30500, 35300, 43066, 44125, 61000, 70600, 86132, 88250, 107665, 172264, 176500, 215330, 353000, 430660, 538325, 861320, 1076650, 2153300, 2691625, 4306600, 5383250, 10766500, 21533000]

約数ペア:

[(1, 21533000), (2, 10766500), (4, 5383250), (5, 4306600), (8, 2691625), (10, 2153300), (20, 1076650), (25, 861320), (40, 538325), (50, 430660), (61, 353000), (100, 215330), (122, 176500), (125, 172264), (200, 107665), (244, 88250), (250, 86132), (305, 70600), (353, 61000), (488, 44125), (500, 43066), (610, 35300), (706, 30500), (1000, 21533), (1220, 17650), (1412, 15250), (1525, 14120), (1765, 12200), (2440, 8825), (2824, 7625), (3050, 7060), (3530, 6100)]