21963570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 55420416

約数和(自身を除く): 33456846

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 47, 74, 94, 111, 141, 185, 222, 235, 282, 370, 421, 470, 555, 705, 842, 1110, 1263, 1410, 1739, 2105, 2526, 3478, 4210, 5217, 6315, 8695, 10434, 12630, 15577, 17390, 19787, 26085, 31154, 39574, 46731, 52170, 59361, 77885, 93462, 98935, 118722, 155770, 197870, 233655, 296805, 467310, 593610, 732119, 1464238, 2196357, 3660595, 4392714, 7321190, 10981785, 21963570]

約数ペア:

[(1, 21963570), (2, 10981785), (3, 7321190), (5, 4392714), (6, 3660595), (10, 2196357), (15, 1464238), (30, 732119), (37, 593610), (47, 467310), (74, 296805), (94, 233655), (111, 197870), (141, 155770), (185, 118722), (222, 98935), (235, 93462), (282, 77885), (370, 59361), (421, 52170), (470, 46731), (555, 39574), (705, 31154), (842, 26085), (1110, 19787), (1263, 17390), (1410, 15577), (1739, 12630), (2105, 10434), (2526, 8695), (3478, 6315), (4210, 5217)]