21660870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9377}}^1$

素因数の和:9405

約数の個数: 64

約数和(自身を含む): 64820736

約数和(自身を除く): 43159866

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 9377, 18754, 28131, 46885, 56262, 65639, 93770, 103147, 131278, 140655, 196917, 206294, 281310, 309441, 328195, 393834, 515735, 618882, 656390, 722029, 984585, 1031470, 1444058, 1547205, 1969170, 2166087, 3094410, 3610145, 4332174, 7220290, 10830435, 21660870]

約数ペア:

[(1, 21660870), (2, 10830435), (3, 7220290), (5, 4332174), (6, 3610145), (7, 3094410), (10, 2166087), (11, 1969170), (14, 1547205), (15, 1444058), (21, 1031470), (22, 984585), (30, 722029), (33, 656390), (35, 618882), (42, 515735), (55, 393834), (66, 328195), (70, 309441), (77, 281310), (105, 206294), (110, 196917), (154, 140655), (165, 131278), (210, 103147), (231, 93770), (330, 65639), (385, 56262), (462, 46885), (770, 28131), (1155, 18754), (2310, 9377)]