21150180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:810

約数の個数: 96

約数和(自身を含む): 67132800

約数和(自身を除く): 45982620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 739, 795, 954, 1060, 1431, 1478, 1590, 1908, 2217, 2385, 2862, 2956, 3180, 3695, 4434, 4770, 5724, 6651, 7155, 7390, 8868, 9540, 11085, 13302, 14310, 14780, 19953, 22170, 26604, 28620, 33255, 39167, 39906, 44340, 66510, 78334, 79812, 99765, 117501, 133020, 156668, 195835, 199530, 235002, 352503, 391670, 399060, 470004, 587505, 705006, 783340, 1057509, 1175010, 1410012, 1762515, 2115018, 2350020, 3525030, 4230036, 5287545, 7050060, 10575090, 21150180]

約数ペア:

[(1, 21150180), (2, 10575090), (3, 7050060), (4, 5287545), (5, 4230036), (6, 3525030), (9, 2350020), (10, 2115018), (12, 1762515), (15, 1410012), (18, 1175010), (20, 1057509), (27, 783340), (30, 705006), (36, 587505), (45, 470004), (53, 399060), (54, 391670), (60, 352503), (90, 235002), (106, 199530), (108, 195835), (135, 156668), (159, 133020), (180, 117501), (212, 99765), (265, 79812), (270, 78334), (318, 66510), (477, 44340), (530, 39906), (540, 39167), (636, 33255), (739, 28620), (795, 26604), (954, 22170), (1060, 19953), (1431, 14780), (1478, 14310), (1590, 13302), (1908, 11085), (2217, 9540), (2385, 8868), (2862, 7390), (2956, 7155), (3180, 6651), (3695, 5724), (4434, 4770)]