21288300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6451}}^1$

素因数の和:6479

約数の個数: 72

約数和(自身を含む): 67204032

約数和(自身を除く): 45915732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6451, 12902, 19353, 25804, 32255, 38706, 64510, 70961, 77412, 96765, 129020, 141922, 161275, 193530, 212883, 283844, 322550, 354805, 387060, 425766, 483825, 645100, 709610, 851532, 967650, 1064415, 1419220, 1774025, 1935300, 2128830, 3548050, 4257660, 5322075, 7096100, 10644150, 21288300]

約数ペア:

[(1, 21288300), (2, 10644150), (3, 7096100), (4, 5322075), (5, 4257660), (6, 3548050), (10, 2128830), (11, 1935300), (12, 1774025), (15, 1419220), (20, 1064415), (22, 967650), (25, 851532), (30, 709610), (33, 645100), (44, 483825), (50, 425766), (55, 387060), (60, 354805), (66, 322550), (75, 283844), (100, 212883), (110, 193530), (132, 161275), (150, 141922), (165, 129020), (220, 96765), (275, 77412), (300, 70961), (330, 64510), (550, 38706), (660, 32255), (825, 25804), (1100, 19353), (1650, 12902), (3300, 6451)]