21443174690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1259}}^1\times {\mathrm{34759}}^1$

素因数の和:36039

約数の個数: 48

約数和(自身を含む): 44936337600

約数和(自身を除く): 23493162910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1259, 2518, 6295, 8813, 12590, 17626, 34759, 44065, 61691, 69518, 88130, 123382, 173795, 243313, 308455, 347590, 486626, 616910, 1216565, 1703191, 2433130, 3406382, 8515955, 17031910, 43761581, 87523162, 218807905, 306331067, 437615810, 612662134, 1531655335, 2144317469, 3063310670, 4288634938, 10721587345, 21443174690]

約数ペア:

[(1, 21443174690), (2, 10721587345), (5, 4288634938), (7, 3063310670), (10, 2144317469), (14, 1531655335), (35, 612662134), (49, 437615810), (70, 306331067), (98, 218807905), (245, 87523162), (490, 43761581), (1259, 17031910), (2518, 8515955), (6295, 3406382), (8813, 2433130), (12590, 1703191), (17626, 1216565), (34759, 616910), (44065, 486626), (61691, 347590), (69518, 308455), (88130, 243313), (123382, 173795)]