21130110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{613}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 55171584

約数和(自身を除く): 34041474

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 383, 613, 766, 1149, 1226, 1839, 1915, 2298, 3065, 3447, 3678, 3830, 5517, 5745, 6130, 6894, 9195, 11034, 11490, 17235, 18390, 27585, 34470, 55170, 234779, 469558, 704337, 1173895, 1408674, 2113011, 2347790, 3521685, 4226022, 7043370, 10565055, 21130110]

約数ペア:

[(1, 21130110), (2, 10565055), (3, 7043370), (5, 4226022), (6, 3521685), (9, 2347790), (10, 2113011), (15, 1408674), (18, 1173895), (30, 704337), (45, 469558), (90, 234779), (383, 55170), (613, 34470), (766, 27585), (1149, 18390), (1226, 17235), (1839, 11490), (1915, 11034), (2298, 9195), (3065, 6894), (3447, 6130), (3678, 5745), (3830, 5517)]