21961173502

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{6971}}^1$

素因数の和:7336

約数の個数: 32

約数和(自身を含む): 33840414720

約数和(自身を除く): 11879241218

約数列:

[1, 2, 79, 127, 157, 158, 254, 314, 6971, 10033, 12403, 13942, 19939, 20066, 24806, 39878, 550709, 885317, 1094447, 1101418, 1575181, 1770634, 2188894, 3150362, 69940043, 86461313, 138994769, 139880086, 172922626, 277989538, 10980586751, 21961173502]

約数ペア:

[(1, 21961173502), (2, 10980586751), (79, 277989538), (127, 172922626), (157, 139880086), (158, 138994769), (254, 86461313), (314, 69940043), (6971, 3150362), (10033, 2188894), (12403, 1770634), (13942, 1575181), (19939, 1101418), (20066, 1094447), (24806, 885317), (39878, 550709)]