21093618

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5551

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 31765902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5519, 11038, 16557, 33114, 38633, 71747, 77266, 115899, 143494, 215241, 231798, 270431, 430482, 502229, 540862, 811293, 1004458, 1506687, 1622586, 3013374, 3515603, 7031206, 10546809, 21093618]

約数ペア:

[(1, 21093618), (2, 10546809), (3, 7031206), (6, 3515603), (7, 3013374), (13, 1622586), (14, 1506687), (21, 1004458), (26, 811293), (39, 540862), (42, 502229), (49, 430482), (78, 270431), (91, 231798), (98, 215241), (147, 143494), (182, 115899), (273, 77266), (294, 71747), (546, 38633), (637, 33114), (1274, 16557), (1911, 11038), (3822, 5519)]