21669033

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 32199552

約数和(自身を除く): 10530519

約数列:

[1, 3, 17, 41, 43, 51, 123, 129, 241, 697, 723, 731, 1763, 2091, 2193, 4097, 5289, 9881, 10363, 12291, 29643, 29971, 31089, 89913, 167977, 176171, 424883, 503931, 528513, 1274649, 7223011, 21669033]

約数ペア:

[(1, 21669033), (3, 7223011), (17, 1274649), (41, 528513), (43, 503931), (51, 424883), (123, 176171), (129, 167977), (241, 89913), (697, 31089), (723, 29971), (731, 29643), (1763, 12291), (2091, 10363), (2193, 9881), (4097, 5289)]