21735230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 45536256

約数和(自身を除く): 23801026

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 121, 142, 230, 242, 253, 355, 506, 605, 710, 781, 1210, 1265, 1331, 1562, 1633, 2530, 2662, 2783, 3266, 3905, 5566, 6655, 7810, 8165, 8591, 13310, 13915, 16330, 17182, 17963, 27830, 30613, 35926, 42955, 61226, 85910, 89815, 94501, 153065, 179630, 189002, 197593, 306130, 395186, 472505, 945010, 987965, 1975930, 2173523, 4347046, 10867615, 21735230]

約数ペア:

[(1, 21735230), (2, 10867615), (5, 4347046), (10, 2173523), (11, 1975930), (22, 987965), (23, 945010), (46, 472505), (55, 395186), (71, 306130), (110, 197593), (115, 189002), (121, 179630), (142, 153065), (230, 94501), (242, 89815), (253, 85910), (355, 61226), (506, 42955), (605, 35926), (710, 30613), (781, 27830), (1210, 17963), (1265, 17182), (1331, 16330), (1562, 13915), (1633, 13310), (2530, 8591), (2662, 8165), (2783, 7810), (3266, 6655), (3905, 5566)]