21000895548

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{6073}}^1$

素因数の和:6651

約数の個数: 96

約数和(自身を含む): 53470636800

約数和(自身を除く): 32469741252

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 523, 551, 1046, 1102, 1569, 1653, 2092, 2204, 3138, 3306, 6073, 6276, 6612, 9937, 12146, 15167, 18219, 19874, 24292, 29811, 30334, 36438, 39748, 45501, 59622, 60668, 72876, 91002, 115387, 119244, 176117, 182004, 230774, 288173, 346161, 352234, 461548, 528351, 576346, 692322, 704468, 864519, 1056702, 1152692, 1384644, 1729038, 2113404, 3176179, 3346223, 3458076, 6352358, 6692446, 9528537, 10038669, 12704716, 13384892, 19057074, 20077338, 38114148, 40154676, 60347401, 92109191, 120694802, 181042203, 184218382, 241389604, 276327573, 362084406, 368436764, 552655146, 724168812, 1105310292, 1750074629, 3500149258, 5250223887, 7000298516, 10500447774, 21000895548]

約数ペア:

[(1, 21000895548), (2, 10500447774), (3, 7000298516), (4, 5250223887), (6, 3500149258), (12, 1750074629), (19, 1105310292), (29, 724168812), (38, 552655146), (57, 368436764), (58, 362084406), (76, 276327573), (87, 241389604), (114, 184218382), (116, 181042203), (174, 120694802), (228, 92109191), (348, 60347401), (523, 40154676), (551, 38114148), (1046, 20077338), (1102, 19057074), (1569, 13384892), (1653, 12704716), (2092, 10038669), (2204, 9528537), (3138, 6692446), (3306, 6352358), (6073, 3458076), (6276, 3346223), (6612, 3176179), (9937, 2113404), (12146, 1729038), (15167, 1384644), (18219, 1152692), (19874, 1056702), (24292, 864519), (29811, 704468), (30334, 692322), (36438, 576346), (39748, 528351), (45501, 461548), (59622, 352234), (60668, 346161), (72876, 288173), (91002, 230774), (115387, 182004), (119244, 176117)]