21821310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1862

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 46469250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1823, 1995, 2394, 3646, 3990, 5469, 5985, 9115, 10938, 11970, 12761, 16407, 18230, 25522, 27345, 32814, 34637, 38283, 54690, 63805, 69274, 76566, 82035, 103911, 114849, 127610, 164070, 173185, 191415, 207822, 229698, 242459, 311733, 346370, 382830, 484918, 519555, 574245, 623466, 727377, 1039110, 1148490, 1212295, 1454754, 1558665, 2182131, 2424590, 3117330, 3636885, 4364262, 7273770, 10910655, 21821310]

約数ペア:

[(1, 21821310), (2, 10910655), (3, 7273770), (5, 4364262), (6, 3636885), (7, 3117330), (9, 2424590), (10, 2182131), (14, 1558665), (15, 1454754), (18, 1212295), (19, 1148490), (21, 1039110), (30, 727377), (35, 623466), (38, 574245), (42, 519555), (45, 484918), (57, 382830), (63, 346370), (70, 311733), (90, 242459), (95, 229698), (105, 207822), (114, 191415), (126, 173185), (133, 164070), (171, 127610), (190, 114849), (210, 103911), (266, 82035), (285, 76566), (315, 69274), (342, 63805), (399, 54690), (570, 38283), (630, 34637), (665, 32814), (798, 27345), (855, 25522), (1197, 18230), (1330, 16407), (1710, 12761), (1823, 11970), (1995, 10938), (2394, 9115), (3646, 5985), (3990, 5469)]