21155888936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1\times {\mathrm{24359}}^1$

素因数の和:25578

約数の個数: 64

約数和(自身を含む): 48864211200

約数和(自身を除く): 27708322264

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 1193, 2386, 4772, 8351, 9544, 15509, 16702, 24359, 31018, 33404, 48718, 62036, 66808, 97436, 108563, 124072, 170513, 194872, 217126, 316667, 341026, 434252, 633334, 682052, 868504, 1266668, 1364104, 2216669, 2533336, 4433338, 8866676, 17733352, 29060287, 58120574, 116241148, 203422009, 232482296, 377783731, 406844018, 755567462, 813688036, 1511134924, 1627376072, 2644486117, 3022269848, 5288972234, 10577944468, 21155888936]

約数ペア:

[(1, 21155888936), (2, 10577944468), (4, 5288972234), (7, 3022269848), (8, 2644486117), (13, 1627376072), (14, 1511134924), (26, 813688036), (28, 755567462), (52, 406844018), (56, 377783731), (91, 232482296), (104, 203422009), (182, 116241148), (364, 58120574), (728, 29060287), (1193, 17733352), (2386, 8866676), (4772, 4433338), (8351, 2533336), (9544, 2216669), (15509, 1364104), (16702, 1266668), (24359, 868504), (31018, 682052), (33404, 633334), (48718, 434252), (62036, 341026), (66808, 316667), (97436, 217126), (108563, 194872), (124072, 170513)]