221785746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21379}}^1$

素因数の和:21423

約数の個数: 64

約数和(自身を含む): 574694400

約数和(自身を除く): 352908654

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 21379, 42758, 64137, 128274, 149653, 277927, 299306, 406201, 448959, 555854, 812402, 833781, 897918, 1218603, 1667562, 1945489, 2437206, 2843407, 3890978, 5280613, 5686814, 5836467, 8530221, 10561226, 11672934, 15841839, 17060442, 31683678, 36964291, 73928582, 110892873, 221785746]

約数ペア:

[(1, 221785746), (2, 110892873), (3, 73928582), (6, 36964291), (7, 31683678), (13, 17060442), (14, 15841839), (19, 11672934), (21, 10561226), (26, 8530221), (38, 5836467), (39, 5686814), (42, 5280613), (57, 3890978), (78, 2843407), (91, 2437206), (114, 1945489), (133, 1667562), (182, 1218603), (247, 897918), (266, 833781), (273, 812402), (399, 555854), (494, 448959), (546, 406201), (741, 299306), (798, 277927), (1482, 149653), (1729, 128274), (3458, 64137), (5187, 42758), (10374, 21379)]