21115762472

素因数分解:

$2^3\times 7^2\times {\mathrm{353}}^1\times {\mathrm{152597}}^1$

素因数の和:152970

約数の個数: 48

約数和(自身を含む): 46186836660

約数和(自身を除く): 25071074188

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 353, 392, 706, 1412, 2471, 2824, 4942, 9884, 17297, 19768, 34594, 69188, 138376, 152597, 305194, 610388, 1068179, 1220776, 2136358, 4272716, 7477253, 8545432, 14954506, 29909012, 53866741, 59818024, 107733482, 215466964, 377067187, 430933928, 754134374, 1508268748, 2639470309, 3016537496, 5278940618, 10557881236, 21115762472]

約数ペア:

[(1, 21115762472), (2, 10557881236), (4, 5278940618), (7, 3016537496), (8, 2639470309), (14, 1508268748), (28, 754134374), (49, 430933928), (56, 377067187), (98, 215466964), (196, 107733482), (353, 59818024), (392, 53866741), (706, 29909012), (1412, 14954506), (2471, 8545432), (2824, 7477253), (4942, 4272716), (9884, 2136358), (17297, 1220776), (19768, 1068179), (34594, 610388), (69188, 305194), (138376, 152597)]