21497745480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3811657}}^1$

素因数の和:3811718

約数の個数: 64

約数和(自身を含む): 65865450240

約数和(自身を除く): 44367704760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 3811657, 7623314, 11434971, 15246628, 19058285, 22869942, 30493256, 38116570, 45739884, 57174855, 76233140, 91479768, 114349710, 152466280, 179147879, 228699420, 358295758, 457398840, 537443637, 716591516, 895739395, 1074887274, 1433183032, 1791478790, 2149774548, 2687218185, 3582957580, 4299549096, 5374436370, 7165915160, 10748872740, 21497745480]

約数ペア:

[(1, 21497745480), (2, 10748872740), (3, 7165915160), (4, 5374436370), (5, 4299549096), (6, 3582957580), (8, 2687218185), (10, 2149774548), (12, 1791478790), (15, 1433183032), (20, 1074887274), (24, 895739395), (30, 716591516), (40, 537443637), (47, 457398840), (60, 358295758), (94, 228699420), (120, 179147879), (141, 152466280), (188, 114349710), (235, 91479768), (282, 76233140), (376, 57174855), (470, 45739884), (564, 38116570), (705, 30493256), (940, 22869942), (1128, 19058285), (1410, 15246628), (1880, 11434971), (2820, 7623314), (5640, 3811657)]