21468370

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{569}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 27779630

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 343, 385, 490, 539, 569, 686, 770, 1078, 1138, 1715, 2695, 2845, 3430, 3773, 3983, 5390, 5690, 6259, 7546, 7966, 12518, 18865, 19915, 27881, 31295, 37730, 39830, 43813, 55762, 62590, 87626, 139405, 195167, 219065, 278810, 306691, 390334, 438130, 613382, 975835, 1533455, 1951670, 2146837, 3066910, 4293674, 10734185, 21468370]

約数ペア:

[(1, 21468370), (2, 10734185), (5, 4293674), (7, 3066910), (10, 2146837), (11, 1951670), (14, 1533455), (22, 975835), (35, 613382), (49, 438130), (55, 390334), (70, 306691), (77, 278810), (98, 219065), (110, 195167), (154, 139405), (245, 87626), (343, 62590), (385, 55762), (490, 43813), (539, 39830), (569, 37730), (686, 31295), (770, 27881), (1078, 19915), (1138, 18865), (1715, 12518), (2695, 7966), (2845, 7546), (3430, 6259), (3773, 5690), (3983, 5390)]