21695492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3137}}^1$

素因数の和:3180

約数の個数: 48

約数和(自身を含む): 49203840

約数和(自身を除く): 27508348

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3137, 3458, 6274, 6916, 12548, 21959, 40781, 43918, 59603, 81562, 87836, 119206, 163124, 238412, 285467, 417221, 570934, 774839, 834442, 1141868, 1549678, 1668884, 3099356, 5423873, 10847746, 21695492]

約数ペア:

[(1, 21695492), (2, 10847746), (4, 5423873), (7, 3099356), (13, 1668884), (14, 1549678), (19, 1141868), (26, 834442), (28, 774839), (38, 570934), (52, 417221), (76, 285467), (91, 238412), (133, 163124), (182, 119206), (247, 87836), (266, 81562), (364, 59603), (494, 43918), (532, 40781), (988, 21959), (1729, 12548), (3137, 6916), (3458, 6274)]