21219691363

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{30071}}^1$

素因数の和:30235

約数の個数: 32

約数和(自身を含む): 25220063232

約数和(自身を除く): 4000371869

約数列:

[1, 13, 17, 31, 103, 221, 403, 527, 1339, 1751, 3193, 6851, 22763, 30071, 41509, 54281, 390923, 511207, 705653, 932201, 3097313, 6645691, 12118613, 15847417, 40265069, 52654321, 96016703, 206016421, 684506173, 1248217139, 1632283951, 21219691363]

約数ペア:

[(1, 21219691363), (13, 1632283951), (17, 1248217139), (31, 684506173), (103, 206016421), (221, 96016703), (403, 52654321), (527, 40265069), (1339, 15847417), (1751, 12118613), (3193, 6645691), (6851, 3097313), (22763, 932201), (30071, 705653), (41509, 511207), (54281, 390923)]