21519134

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 43008000

約数和(自身を除く): 21488866

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 127, 133, 182, 247, 254, 266, 343, 494, 637, 686, 889, 931, 1274, 1651, 1729, 1778, 1862, 2413, 3302, 3458, 4459, 4826, 6223, 6517, 8918, 11557, 12103, 12446, 13034, 16891, 23114, 24206, 31369, 33782, 43561, 62738, 80899, 84721, 87122, 118237, 161798, 169442, 219583, 236474, 439166, 566293, 827659, 1132586, 1537081, 1655318, 3074162, 10759567, 21519134]

約数ペア:

[(1, 21519134), (2, 10759567), (7, 3074162), (13, 1655318), (14, 1537081), (19, 1132586), (26, 827659), (38, 566293), (49, 439166), (91, 236474), (98, 219583), (127, 169442), (133, 161798), (182, 118237), (247, 87122), (254, 84721), (266, 80899), (343, 62738), (494, 43561), (637, 33782), (686, 31369), (889, 24206), (931, 23114), (1274, 16891), (1651, 13034), (1729, 12446), (1778, 12103), (1862, 11557), (2413, 8918), (3302, 6517), (3458, 6223), (4459, 4826)]