21747291255

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{20599}}^1$

素因数の和:21448

約数の個数: 48

約数和(自身を含む): 39045240000

約数和(自身を除く): 17297948745

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 809, 1305, 2427, 4045, 7281, 12135, 20599, 23461, 36405, 61797, 70383, 102995, 117305, 185391, 211149, 308985, 351915, 597371, 926955, 1055745, 1792113, 2986855, 5376339, 8960565, 16664591, 26881695, 49993773, 83322955, 149981319, 249968865, 483273139, 749906595, 1449819417, 2416365695, 4349458251, 7249097085, 21747291255]

約数ペア:

[(1, 21747291255), (3, 7249097085), (5, 4349458251), (9, 2416365695), (15, 1449819417), (29, 749906595), (45, 483273139), (87, 249968865), (145, 149981319), (261, 83322955), (435, 49993773), (809, 26881695), (1305, 16664591), (2427, 8960565), (4045, 5376339), (7281, 2986855), (12135, 1792113), (20599, 1055745), (23461, 926955), (36405, 597371), (61797, 351915), (70383, 308985), (102995, 211149), (117305, 185391)]