21503553840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9955349}}^1$

素因数の和:9955371

約数の個数: 80

約数和(自身を含む): 74067804000

約数和(自身を除く): 52564250160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9955349, 19910698, 29866047, 39821396, 49776745, 59732094, 79642792, 89598141, 99553490, 119464188, 149330235, 159285584, 179196282, 199106980, 238928376, 268794423, 298660470, 358392564, 398213960, 447990705, 477856752, 537588846, 597320940, 716785128, 796427920, 895981410, 1075177692, 1194641880, 1343972115, 1433570256, 1791962820, 2150355384, 2389283760, 2687944230, 3583925640, 4300710768, 5375888460, 7167851280, 10751776920, 21503553840]

約数ペア:

[(1, 21503553840), (2, 10751776920), (3, 7167851280), (4, 5375888460), (5, 4300710768), (6, 3583925640), (8, 2687944230), (9, 2389283760), (10, 2150355384), (12, 1791962820), (15, 1433570256), (16, 1343972115), (18, 1194641880), (20, 1075177692), (24, 895981410), (27, 796427920), (30, 716785128), (36, 597320940), (40, 537588846), (45, 477856752), (48, 447990705), (54, 398213960), (60, 358392564), (72, 298660470), (80, 268794423), (90, 238928376), (108, 199106980), (120, 179196282), (135, 159285584), (144, 149330235), (180, 119464188), (216, 99553490), (240, 89598141), (270, 79642792), (360, 59732094), (432, 49776745), (540, 39821396), (720, 29866047), (1080, 19910698), (2160, 9955349)]