21037570918

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2359001}}^1$

素因数の和:2359037

約数の個数: 32

約数和(自身を含む): 39631233600

約数和(自身を除く): 18593662682

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 4459, 8918, 2359001, 4718002, 16513007, 30667013, 33026014, 61334026, 115591049, 214669091, 231182098, 429338182, 809137343, 1502683637, 1618274686, 3005367274, 10518785459, 21037570918]

約数ペア:

[(1, 21037570918), (2, 10518785459), (7, 3005367274), (13, 1618274686), (14, 1502683637), (26, 809137343), (49, 429338182), (91, 231182098), (98, 214669091), (182, 115591049), (343, 61334026), (637, 33026014), (686, 30667013), (1274, 16513007), (4459, 4718002), (8918, 2359001)]