21531690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4724

約数の個数: 64

約数和(自身を含む): 60808320

約数和(自身を除く): 39276630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 4691, 9382, 14073, 23455, 28146, 42219, 46910, 70365, 79747, 84438, 126657, 140730, 159494, 211095, 239241, 253314, 398735, 422190, 478482, 633285, 717723, 797470, 1196205, 1266570, 1435446, 2153169, 2392410, 3588615, 4306338, 7177230, 10765845, 21531690]

約数ペア:

[(1, 21531690), (2, 10765845), (3, 7177230), (5, 4306338), (6, 3588615), (9, 2392410), (10, 2153169), (15, 1435446), (17, 1266570), (18, 1196205), (27, 797470), (30, 717723), (34, 633285), (45, 478482), (51, 422190), (54, 398735), (85, 253314), (90, 239241), (102, 211095), (135, 159494), (153, 140730), (170, 126657), (255, 84438), (270, 79747), (306, 70365), (459, 46910), (510, 42219), (765, 28146), (918, 23455), (1530, 14073), (2295, 9382), (4590, 4691)]