21035647563

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1\times {\mathrm{20231}}^1$

素因数の和:21047

約数の個数: 32

約数和(自身を含む): 32578375680

約数和(自身を除く): 11542728117

約数列:

[1, 3, 7, 21, 67, 201, 469, 739, 1407, 2217, 5173, 15519, 20231, 49513, 60693, 141617, 148539, 346591, 424851, 1039773, 1355477, 4066431, 9488339, 14950709, 28465017, 44852127, 104654963, 313964889, 1001697503, 3005092509, 7011882521, 21035647563]

約数ペア:

[(1, 21035647563), (3, 7011882521), (7, 3005092509), (21, 1001697503), (67, 313964889), (201, 104654963), (469, 44852127), (739, 28465017), (1407, 14950709), (2217, 9488339), (5173, 4066431), (15519, 1355477), (20231, 1039773), (49513, 424851), (60693, 346591), (141617, 148539)]