21982590

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3903

約数の個数: 80

約数和(自身を含む): 67570272

約数和(自身を除く): 45587682

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3877, 5670, 7754, 11631, 19385, 23262, 27139, 34893, 38770, 54278, 58155, 69786, 81417, 104679, 116310, 135695, 162834, 174465, 209358, 244251, 271390, 314037, 348930, 407085, 488502, 523395, 628074, 732753, 814170, 1046790, 1221255, 1465506, 1570185, 2198259, 2442510, 3140370, 3663765, 4396518, 7327530, 10991295, 21982590]

約数ペア:

[(1, 21982590), (2, 10991295), (3, 7327530), (5, 4396518), (6, 3663765), (7, 3140370), (9, 2442510), (10, 2198259), (14, 1570185), (15, 1465506), (18, 1221255), (21, 1046790), (27, 814170), (30, 732753), (35, 628074), (42, 523395), (45, 488502), (54, 407085), (63, 348930), (70, 314037), (81, 271390), (90, 244251), (105, 209358), (126, 174465), (135, 162834), (162, 135695), (189, 116310), (210, 104679), (270, 81417), (315, 69786), (378, 58155), (405, 54278), (567, 38770), (630, 34893), (810, 27139), (945, 23262), (1134, 19385), (1890, 11631), (2835, 7754), (3877, 5670)]