21898338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 57200640

約数和(自身を除く): 35302302

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 121, 139, 154, 186, 217, 231, 242, 278, 341, 363, 417, 434, 462, 651, 682, 726, 834, 847, 973, 1023, 1302, 1529, 1694, 1946, 2046, 2387, 2541, 2919, 3058, 3751, 4309, 4587, 4774, 5082, 5838, 7161, 7502, 8618, 9174, 10703, 11253, 12927, 14322, 16819, 21406, 22506, 25854, 26257, 30163, 32109, 33638, 47399, 50457, 52514, 60326, 64218, 78771, 90489, 94798, 100914, 117733, 142197, 157542, 180978, 235466, 284394, 331793, 353199, 521389, 663586, 706398, 995379, 1042778, 1564167, 1990758, 3128334, 3649723, 7299446, 10949169, 21898338]

約数ペア:

[(1, 21898338), (2, 10949169), (3, 7299446), (6, 3649723), (7, 3128334), (11, 1990758), (14, 1564167), (21, 1042778), (22, 995379), (31, 706398), (33, 663586), (42, 521389), (62, 353199), (66, 331793), (77, 284394), (93, 235466), (121, 180978), (139, 157542), (154, 142197), (186, 117733), (217, 100914), (231, 94798), (242, 90489), (278, 78771), (341, 64218), (363, 60326), (417, 52514), (434, 50457), (462, 47399), (651, 33638), (682, 32109), (726, 30163), (834, 26257), (847, 25854), (973, 22506), (1023, 21406), (1302, 16819), (1529, 14322), (1694, 12927), (1946, 11253), (2046, 10703), (2387, 9174), (2541, 8618), (2919, 7502), (3058, 7161), (3751, 5838), (4309, 5082), (4587, 4774)]