21378015720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6598153}}^1$

素因数の和:6598176

約数の個数: 80

約数和(自身を含む): 71853897060

約数和(自身を除く): 50475881340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6598153, 13196306, 19794459, 26392612, 32990765, 39588918, 52785224, 59383377, 65981530, 79177836, 98972295, 118766754, 131963060, 158355672, 178150131, 197944590, 237533508, 263926120, 296916885, 356300262, 395889180, 475067016, 534450393, 593833770, 712600524, 791778360, 890750655, 1068900786, 1187667540, 1425201048, 1781501310, 2137801572, 2375335080, 2672251965, 3563002620, 4275603144, 5344503930, 7126005240, 10689007860, 21378015720]

約数ペア:

[(1, 21378015720), (2, 10689007860), (3, 7126005240), (4, 5344503930), (5, 4275603144), (6, 3563002620), (8, 2672251965), (9, 2375335080), (10, 2137801572), (12, 1781501310), (15, 1425201048), (18, 1187667540), (20, 1068900786), (24, 890750655), (27, 791778360), (30, 712600524), (36, 593833770), (40, 534450393), (45, 475067016), (54, 395889180), (60, 356300262), (72, 296916885), (81, 263926120), (90, 237533508), (108, 197944590), (120, 178150131), (135, 158355672), (162, 131963060), (180, 118766754), (216, 98972295), (270, 79177836), (324, 65981530), (360, 59383377), (405, 52785224), (540, 39588918), (648, 32990765), (810, 26392612), (1080, 19794459), (1620, 13196306), (3240, 6598153)]